gcc/ChangeLog

   1 2020-03-04  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR tree-optimization/94001
   4         * tree-tailcall.c (process_assignment): Before comparing op1 to
   5         *ass_var, verify *ass_var is non-NULL.
   6
   7 2020-03-04  Kito Cheng  <kito.cheng@sifive.com>
   8
   9         PR target/93995
  10         * config/riscv/riscv.c (riscv_emit_float_compare): Using NE to compare
  11         the result of IOR.
  12
  13 2020-03-03  Dennis Zhang  <dennis.zhang@arm.com>
  14
  15         * config/arm/arm_bf16.h (vcvtah_f32_bf16, vcvth_bf16_f32): New.
  16         * config/arm/arm_neon.h (vcvt_f32_bf16, vcvtq_low_f32_bf16): New.
  17         (vcvtq_high_f32_bf16, vcvt_bf16_f32): New.
  18         (vcvtq_low_bf16_f32, vcvtq_high_bf16_f32): New.
  19         * config/arm/arm_neon_builtins.def (vbfcvt, vbfcvt_high): New entries.
  20         (vbfcvtv4sf, vbfcvtv4sf_high): Likewise.
  21         * config/arm/iterators.md (VBFCVT, VBFCVTM): New mode iterators.
  22         (V_bf_low, V_bf_cvt_m): New mode attributes.
  23         * config/arm/neon.md (neon_vbfcvtv4sf<VBFCVT:mode>): New.
  24         (neon_vbfcvtv4sf_highv8bf, neon_vbfcvtsf): New.
  25         (neon_vbfcvt<VBFCVT:mode>, neon_vbfcvt_highv8bf): New.
  26         (neon_vbfcvtbf_cvtmode<mode>, neon_vbfcvtbf): New
  27         * config/arm/unspecs.md (UNSPEC_BFCVT, UNSPEC_BFCVT_HIG): New.
  28
  29 2020-03-03  Jakub Jelinek  <jakub@redhat.com>
  30
  31         PR tree-optimization/93582
  32         * tree-ssa-sccvn.h (vn_reference_lookup): Add mask argument.
  33         * tree-ssa-sccvn.c (struct vn_walk_cb_data): Add mask and masked_result
  34         members, initialize them in the constructor and if mask is non-NULL,
  35         artificially push_partial_def {} for the portions of the mask that
  36         contain zeros.
  37         (vn_walk_cb_data::finish): If mask is non-NULL, set masked_result to
  38         val and return (void *)-1.  Formatting fix.
  39         (vn_reference_lookup_pieces): Adjust vn_walk_cb_data initialization.
  40         Formatting fix.
  41         (vn_reference_lookup): Add mask argument.  If non-NULL, don't call
  42         fully_constant_vn_reference_p nor vn_reference_lookup_1 and return
  43         data.mask_result.
  44         (visit_nary_op): Handle BIT_AND_EXPR of a memory load and INTEGER_CST
  45         mask.
  46         (visit_stmt): Formatting fix.
  47
  48 2020-03-03  Richard Biener  <rguenther@suse.de>
  49
  50         PR tree-optimization/93946
  51         * alias.h (refs_same_for_tbaa_p): Declare.
  52         * alias.c (refs_same_for_tbaa_p): New function.
  53         * tree-ssa-alias.c (ao_ref_alias_set): For a NULL ref return
  54         zero.
  55         * tree-ssa-scopedtables.h
  56         (avail_exprs_stack::lookup_avail_expr): Add output argument
  57         giving access to the hashtable entry.
  58         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
  59         Likewise.
  60         * tree-ssa-dom.c: Include alias.h.
  61         (dom_opt_dom_walker::optimize_stmt): Validate TBAA state before
  62         removing redundant store.
  63         * tree-ssa-sccvn.h (vn_reference_s::base_set): New member.
  64         (ao_ref_init_from_vn_reference): Adjust prototype.
  65         (vn_reference_lookup_pieces): Likewise.
  66         (vn_reference_insert_pieces): Likewise.
  67         * tree-ssa-sccvn.c: Track base alias set in addition to alias
  68         set everywhere.
  69         (eliminate_dom_walker::eliminate_stmt): Also check base alias
  70         set when removing redundant stores.
  71         (visit_reference_op_store): Likewise.
  72         * dse.c (record_store): Adjust valdity check for redundant
  73         store removal.
  74
  75 2020-03-03  Jakub Jelinek  <jakub@redhat.com>
  76
  77         PR target/26877
  78         * config/s390/s390.h (OPTION_DEFAULT_SPECS): Reorder.
  79
  80         PR rtl-optimization/94002
  81         * explow.c (plus_constant): Punt if cst has VOIDmode and
  82         get_pool_mode is different from mode.
  83
  84 2020-03-03  Claudiu Zissulescu  <claziss@synopsys.com>
  85
  86         * config/arc/arc.c (leigitimate_small_data_address_p): Check if an
  87         address has an offset which fits the scalling constraint for a
  88         load/store operation.
  89         (legitimate_scaled_address_p): Update use
  90         leigitimate_small_data_address_p.
  91         (arc_print_operand): Likewise.
  92         (arc_legitimate_address_p): Likewise.
  93         (legitimate_small_data_address_p): Likewise.
  94
  95 2020-03-03  Claudiu Zissulescu  <claziss@synopsys.com>
  96
  97         * config/arc/arc.md (fmasf4_fpu): Use accl_operand predicate.
  98         (fnmasf4_fpu): Likewise.
  99
 100 2020-03-03  Claudiu Zissulescu  <claziss@synopsys.com>
 101
 102         * config/arc/arc.md (adddi3): Early expand the 64bit operation into
 103         32bit ops.
 104         (subdi3): Likewise.
 105         (adddi3_i): Remove pattern.
 106         (subdi3_i): Likewise.
 107
 108 2020-03-03  Claudiu Zissulescu  <claziss@synopsys.com>
 109
 110         * config/arc/arc.md (eh_return): Add length info.
 111
 112 2020-03-02  David Malcolm  <dmalcolm@redhat.com>
 113
 114         * doc/invoke.texi (-fanalyzer-show-duplicate-count): New.
 115
 116 2020-03-02  David Malcolm  <dmalcolm@redhat.com>
 117
 118         * doc/invoke.texi (Static Analyzer Options): Add
 119         -Wanalyzer-stale-setjmp-buffer to the list of options enabled
 120         by -fanalyzer.
 121
 122 2020-03-02  Uroš Bizjak  <ubizjak@gmail.com>
 123
 124         PR target/93997
 125         * config/i386/i386.md (movstrict<mode>): Allow only
 126         registers with VALID_INT_MODE_P modes.
 127
 128 2020-03-02  Andrew Stubbs  <ams@codesourcery.com>
 129
 130         * config/gcn/gcn-valu.md (dpp_move<mode>): New.
 131         (reduc_insn): Use 'U' and 'B' operand codes.
 132         (reduc_<reduc_op>_scal_<mode>): Allow all types.
 133         (reduc_<reduc_op>_scal_v64di): Delete.
 134         (*<reduc_op>_dpp_shr_<mode>): Allow all 1reg types.
 135         (*plus_carry_dpp_shr_v64si): Change to ...
 136         (*plus_carry_dpp_shr_<mode>): ... this and allow all 1reg int types.
 137         (mov_from_lane63_v64di): Change to ...
 138         (mov_from_lane63_<mode>): ... this, and allow all 64-bit modes.
 139         * config/gcn/gcn.c (gcn_expand_dpp_shr_insn): Increase buffer size.
 140         Support UNSPEC_MOV_DPP_SHR output formats.
 141         (gcn_expand_reduc_scalar): Add "use_moves" reductions.
 142         Add "use_extends" reductions.
 143         (print_operand_address): Add 'I' and 'U' codes.
 144         * config/gcn/gcn.md (unspec): Add UNSPEC_MOV_DPP_SHR.
 145
 146 2020-03-02  Martin Liska  <mliska@suse.cz>
 147
 148         * lto-wrapper.c: Fix typo in comment about
 149         C++ standard version.
 150
 151 2020-03-01  Martin Sebor  <msebor@redhat.com>
 152
 153         PR c++/92721
 154         * calls.c (init_attr_rdwr_indices): Correctly handle attribute.
 155
 156 2020-03-01  Martin Sebor  <msebor@redhat.com>
 157
 158         PR middle-end/93829
 159         * tree-ssa-strlen.c (count_nonzero_bytes): Set the size to that
 160           of a pointer in the outermost ADDR_EXPRs.
 161
 162 2020-02-28  Jeff Law  <law@redhat.com>
 163
 164         * config/v850/v850.h (STATIC_CHAIN_REGNUM): Change to r19.
 165         * config/v850/v850.c (v850_asm_trampoline_template): Update
 166         accordingly.
 167
 168 2020-02-28  Michael Meissner  <meissner@linux.ibm.com>
 169
 170         PR target/93937
 171         * config/rs6000/vsx.md (vsx_extract_<mode>_<VS_scalar>mode_var):
 172         Delete insn.
 173
 174 2020-02-28  Martin Liska  <mliska@suse.cz>
 175
 176         PR other/93965
 177         * configure.ac: Improve detection of ld_date by requiring
 178         either two dashes or none.
 179         * configure: Regenerate.
 180
 181 2020-02-28  Vladimir Makarov  <vmakarov@redhat.com>
 182
 183         PR rtl-optimization/93564
 184         * ira-color.c (assign_hard_reg): Prefer smaller hard regno when we
 185         do not honor reg alloc order.
 186
 187 2020-02-27  Joel Hutton  <Joel.Hutton@arm.com>
 188
 189         PR target/87612
 190         * config/aarch64/aarch64.c (aarch64_override_options): Fix
 191         misleading warning string.
 192
 193 2020-02-27  Martin Sebor  <msebor@redhat.com>
 194
 195         * doc/invoke.texi (-Wbuiltin-declaration-mismatch): Fix a typo.
 196
 197 2020-02-27  Michael Meissner  <meissner@linux.ibm.com>
 198
 199         PR target/93932
 200         * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
 201         Split the insn into two parts.  This insn only does variable
 202         extract from a register.
 203         (vsx_extract_<mode>_var_load, VSX_D iterator): New insn, do
 204         variable extract from memory.
 205         (vsx_extract_v4sf_var): Split the insn into two parts.  This insn
 206         only does variable extract from a register.
 207         (vsx_extract_v4sf_var_load): New insn, do variable extract from
 208         memory.
 209         (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Split the insn
 210         into two parts.  This insn only does variable extract from a
 211         register.
 212         (vsx_extract_<mode>_var_load, VSX_EXTRACT_I iterator): New insn,
 213         do variable extract from memory.
 214
 215 2020-02-27  Martin Jambor  <mjambor@suse.cz>
 216             Feng Xue  <fxue@os.amperecomputing.com>
 217
 218         PR ipa/93707
 219         * ipa-cp.c (same_node_or_its_all_contexts_clone_p): Replaced with
 220         new function calls_same_node_or_its_all_contexts_clone_p.
 221         (cgraph_edge_brings_value_p): Use it.
 222         (cgraph_edge_brings_value_p): Likewise.
 223         (self_recursive_pass_through_p): Return false if caller is a clone.
 224         (self_recursive_agg_pass_through_p): Likewise.
 225
 226 2020-02-27  Jan Hubicka  <hubicka@ucw.cz>
 227
 228         PR middle-end/92152
 229         * alias.c (ends_tbaa_access_path_p): Break out from ...
 230         (component_uses_parent_alias_set_from): ... here.
 231         * alias.h (ends_tbaa_access_path_p): Declare.
 232         * tree-ssa-alias.c (access_path_may_continue_p): Break out from ...;
 233         handle trailing arrays past end of tbaa access path.
 234         (aliasing_component_refs_p): ... here; likewise.
 235         (nonoverlapping_refs_since_match_p): Track TBAA segment of the access
 236         path; disambiguate also past end of it.
 237         (nonoverlapping_component_refs_p): Use only TBAA segment of the access
 238         path.
 239
 240 2020-02-27  Mihail Ionescu  <mihail.ionescu@arm.com>
 241
 242         * (__ARM_NUM_LANES, __arm_lane, __arm_lane_q): Move to the
 243         beginning of the file.
 244         (vcreate_bf16, vcombine_bf16): New.
 245         (vdup_n_bf16, vdupq_n_bf16): New.
 246         (vdup_lane_bf16, vdup_laneq_bf16): New.
 247         (vdupq_lane_bf16, vdupq_laneq_bf16): New.
 248         (vduph_lane_bf16, vduph_laneq_bf16): New.
 249         (vset_lane_bf16, vsetq_lane_bf16): New.
 250         (vget_lane_bf16, vgetq_lane_bf16): New.
 251         (vget_high_bf16, vget_low_bf16): New.
 252         (vreinterpret_bf16_u8, vreinterpretq_bf16_u8): New.
 253         (vreinterpret_bf16_u16, vreinterpretq_bf16_u16): New.
 254         (vreinterpret_bf16_u32, vreinterpretq_bf16_u32): New.
 255         (vreinterpret_bf16_u64, vreinterpretq_bf16_u64): New.
 256         (vreinterpret_bf16_s8, vreinterpretq_bf16_s8): New.
 257         (vreinterpret_bf16_s16, vreinterpretq_bf16_s16): New.
 258         (vreinterpret_bf16_s32, vreinterpretq_bf16_s32): New.
 259         (vreinterpret_bf16_s64, vreinterpretq_bf16_s64): New.
 260         (vreinterpret_bf16_p8, vreinterpretq_bf16_p8): New.
 261         (vreinterpret_bf16_p16, vreinterpretq_bf16_p16): New.
 262         (vreinterpret_bf16_p64, vreinterpretq_bf16_p64): New.
 263         (vreinterpret_bf16_f32, vreinterpretq_bf16_f32): New.
 264         (vreinterpret_bf16_f64, vreinterpretq_bf16_f64): New.
 265         (vreinterpretq_bf16_p128): New.
 266         (vreinterpret_s8_bf16, vreinterpretq_s8_bf16): New.
 267         (vreinterpret_s16_bf16, vreinterpretq_s16_bf16): New.
 268         (vreinterpret_s32_bf16, vreinterpretq_s32_bf16): New.
 269         (vreinterpret_s64_bf16, vreinterpretq_s64_bf16): New.
 270         (vreinterpret_u8_bf16, vreinterpretq_u8_bf16): New.
 271         (vreinterpret_u16_bf16, vreinterpretq_u16_bf16): New.
 272         (vreinterpret_u32_bf16, vreinterpretq_u32_bf16): New.
 273         (vreinterpret_u64_bf16, vreinterpretq_u64_bf16): New.
 274         (vreinterpret_p8_bf16, vreinterpretq_p8_bf16): New.
 275         (vreinterpret_p16_bf16, vreinterpretq_p16_bf16): New.
 276         (vreinterpret_p64_bf16, vreinterpretq_p64_bf16): New.
 277         (vreinterpret_f32_bf16, vreinterpretq_f32_bf16): New.
 278         (vreinterpretq_p128_bf16): New.
 279         * config/arm/arm_neon_builtins.def (VDX): Add V4BF.
 280         (V_elem): Likewise.
 281         (V_elem_l): Likewise.
 282         (VD_LANE): Likewise.
 283         (VQX) Add V8BF.
 284         (V_DOUBLE): Likewise.
 285         (VDQX): Add V4BF and V8BF.
 286         (V_two_elem, V_three_elem, V_four_elem): Likewise.
 287         (V_reg): Likewise.
 288         (V_HALF): Likewise.
 289         (V_double_vector_mode): Likewise.
 290         (V_cmp_result): Likewise.
 291         (V_uf_sclr): Likewise.
 292         (V_sz_elem): Likewise.
 293         (Is_d_reg): Likewise.
 294         (V_mode_nunits): Likewise.
 295         * config/arm/neon.md (neon_vdup_lane): Enable for BFloat16.
 296
 297 2020-02-27  Andrew Stubbs  <ams@codesourcery.com>
 298
 299         * config/gcn/gcn-valu.md (VEC_SUBDWORD_MODE): New mode iterator.
 300         (<expander><mode>2<exec>): Change modes to VEC_ALL1REG_INT_MODE.
 301         (<expander><mode>3<exec>): Likewise.
 302         (<expander><mode>3): New.
 303         (v<expander><mode>3): New.
 304         (<expander><mode>3): New.
 305         (<expander><mode>3<exec>): Rename to ...
 306         (<expander>v64si3<exec>): ... this, and change modes to V64SI.
 307         * config/gcn/gcn.md (mnemonic): Use '%B' for not.
 308
 309 2020-02-27  Alexandre Oliva <oliva@adacore.com>
 310
 311         * config/vx-common.h (NO_DOLLAR_IN_LABEL, NO_DOT_IN_LABEL): Leave
 312         them alone on vx7.
 313
 314 2020-02-27  Richard Biener  <rguenther@suse.de>
 315
 316         PR tree-optimization/93508
 317         * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle _CHK like
 318         non-_CHK variants.  Valueize their length arguments.
 319
 320 2020-02-27  Richard Biener  <rguenther@suse.de>
 321
 322         PR tree-optimization/93953
 323         * tree-vect-slp.c (slp_copy_subtree): Avoid keeping a reference
 324         to the hash-map entry.
 325
 326 2020-02-27  Andrew Stubbs  <ams@codesourcery.com>
 327
 328         * config/gcn/gcn.md (mov<mode>): Add transformations for BI subregs.
 329
 330 2020-02-27  Mark Williams  <mwilliams@fb.com>
 331
 332         * dwarf2out.c (file_name_acquire): Call remap_debug_filename.
 333         * lto-opts.c (lto_write_options): Drop -fdebug-prefix-map,
 334         -ffile-prefix-map and -fmacro-prefix-map.
 335         * lto-streamer-out.c: Include file-prefix-map.h.
 336         (lto_output_location): Remap the file part of locations.
 337
 338 2020-02-27  Jakub Jelinek  <jakub@redhat.com>
 339
 340         PR c/93949
 341         * gimplify.c (gimplify_init_constructor): Don't promote readonly
 342         DECL_REGISTER variables to TREE_STATIC.
 343
 344         PR tree-optimization/93582
 345         PR tree-optimization/93945
 346         * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle memset with
 347         non-zero INTEGER_CST second argument and ref->offset or ref->size
 348         not a multiple of BITS_PER_UNIT.
 349
 350 2020-02-27  Jonathan Wakely  <jwakely@redhat.com>
 351
 352         * doc/install.texi (Binaries): Update description of BullFreeware.
 353
 354 2020-02-26  Sandra Loosemore  <sandra@codesourcery.com>
 355
 356         PR c++/90467
 357
 358         * doc/invoke.texi (Option Summary): Re-alphabetize warnings in
 359         C++ Language Options, Warning Options, and Static Analyzer
 360         Options lists.  Document negative form of options enabled by
 361         default.  Move some things around to more accurately sort
 362         warnings by category.
 363         (C++ Dialect Options, Warning Options, Static Analyzer
 364         Options): Document negative form of options when enabled by
 365         default.  Move some things around to more accurately sort
 366         warnings by category.  Add some missing index entries.
 367         Light copy-editing.
 368
 369 2020-02-26  Carl Love  <cel@us.ibm.com>
 370
 371         PR target/91276
 372         * doc/extend.texi (PowerPC AltiVec Built-in Functions available on
 373         ISA 2.07): The builtin-function name __builtin_crypto_vpmsumb is only
 374         for the vector unsigned short arguments.  It is also listed as the
 375         name of the built-in for arguments vector unsigned short,
 376         vector unsigned int and vector unsigned long long built-ins.  The
 377         name of the builtins for these arguments should be:
 378         __builtin_crypto_vpmsumh, __builtin_crypto_vpmsumw and
 379         __builtin_crypto_vpmsumd respectively.
 380
 381 2020-02-26  Richard Biener  <rguenther@suse.de>
 382
 383         * tree-vect-slp.c (vect_print_slp_tree): Also dump ref count
 384         and load permutation.
 385
 386 2020-02-26  Richard Sandiford  <richard.sandiford@arm.com>
 387
 388         PR middle-end/93843
 389         * optabs-tree.c (supportable_convert_operation): Reject types with
 390         scalar modes.
 391
 392 2020-02-26  David Malcolm  <dmalcolm@redhat.com>
 393
 394         * Makefile.in (ANALYZER_OBJS): Add analyzer/bar-chart.o.
 395
 396 2020-02-26  Jakub Jelinek  <jakub@redhat.com>
 397
 398         PR tree-optimization/93820
 399         * gimple-ssa-store-merging.c (check_no_overlap): Change RHS_CODE
 400         argument to ALL_INTEGER_CST_P boolean.
 401         (imm_store_chain_info::try_coalesce_bswap): Adjust caller.
 402         (imm_store_chain_info::coalesce_immediate_stores): Likewise.  Handle
 403         adjacent INTEGER_CST store into merged_store->only_constants like
 404         overlapping one.
 405
 406 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
 407
 408         PR other/93912
 409         * config/sh/sh.c (expand_cbranchdi4): Fix comment typo, probablity
 410         -> probability.
 411         * cfghooks.c (verify_flow_info): Likewise.
 412         * predict.c (combine_predictions_for_bb): Likewise.
 413         * bb-reorder.c (connect_better_edge_p): Likewise.  Fix comment typo,
 414         sucessor -> successor.
 415         (find_traces_1_round): Fix comment typo, destinarion -> destination.
 416         * omp-expand.c (expand_oacc_for): Fix comment typo, sucessors ->
 417         successors.
 418         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Fix dump
 419         message typo, sucessors -> successors.
 420
 421 2020-02-25  Martin Sebor  <msebor@redhat.com>
 422
 423         * doc/extend.texi (attribute access): Correct an example.
 424
 425 2020-02-25  Mihail Ionescu  <mihail.ionescu@arm.com>
 426
 427         * config/aarch64/aarch64-builtins.c (aarch64_scalar_builtin_types):
 428         Add simd_bf.
 429         (aarch64_init_simd_builtin_scalar_types): Register simd_bf.
 430         (VAR15, VAR16): New.
 431         * config/aarch64/iterators.md (VALLDIF): Enable for V4BF and V8BF.
 432         (VD): Enable for V4BF.
 433         (VDC): Likewise.
 434         (VQ): Enable for V8BF.
 435         (VQ2): Likewise.
 436         (VQ_NO2E): Likewise.
 437         (VDBL, Vdbl): Add V4BF.
 438         (V_INT_EQUIV, v_int_equiv): Add V4BF and V8BF.
 439         * config/aarch64/arm_neon.h (bfloat16x4x2_t): New typedef.
 440         (bfloat16x8x2_t): Likewise.
 441         (bfloat16x4x3_t): Likewise.
 442         (bfloat16x8x3_t): Likewise.
 443         (bfloat16x4x4_t): Likewise.
 444         (bfloat16x8x4_t): Likewise.
 445         (vcombine_bf16): New.
 446         (vld1_bf16, vld1_bf16_x2): New.
 447         (vld1_bf16_x3, vld1_bf16_x4): New.
 448         (vld1q_bf16, vld1q_bf16_x2): New.
 449         (vld1q_bf16_x3, vld1q_bf16_x4): New.
 450         (vld1_lane_bf16): New.
 451         (vld1q_lane_bf16): New.
 452         (vld1_dup_bf16): New.
 453         (vld1q_dup_bf16): New.
 454         (vld2_bf16): New.
 455         (vld2q_bf16): New.
 456         (vld2_dup_bf16): New.
 457         (vld2q_dup_bf16): New.
 458         (vld3_bf16): New.
 459         (vld3q_bf16): New.
 460         (vld3_dup_bf16): New.
 461         (vld3q_dup_bf16): New.
 462         (vld4_bf16): New.
 463         (vld4q_bf16): New.
 464         (vld4_dup_bf16): New.
 465         (vld4q_dup_bf16): New.
 466         (vst1_bf16, vst1_bf16_x2): New.
 467         (vst1_bf16_x3, vst1_bf16_x4): New.
 468         (vst1q_bf16, vst1q_bf16_x2): New.
 469         (vst1q_bf16_x3, vst1q_bf16_x4): New.
 470         (vst1_lane_bf16): New.
 471         (vst1q_lane_bf16): New.
 472         (vst2_bf16): New.
 473         (vst2q_bf16): New.
 474         (vst3_bf16): New.
 475         (vst3q_bf16): New.
 476         (vst4_bf16): New.
 477         (vst4q_bf16): New.
 478
 479 2020-02-25  Mihail Ionescu  <mihail.ionescu@arm.com>
 480
 481         * config/aarch64/iterators.md (VDQF_F16) Add V4BF and V8BF.
 482         (VALL_F16): Likewise.
 483         (VALLDI_F16): Likewise.
 484         (Vtype): Likewise.
 485         (Vetype): Likewise.
 486         (vswap_width_name): Likewise.
 487         (VSWAP_WIDTH): Likewise.
 488         (Vel): Likewise.
 489         (VEL): Likewise.
 490         (q): Likewise.
 491         * config/aarch64/arm_neon.h (vset_lane_bf16, vsetq_lane_bf16): New.
 492         (vget_lane_bf16, vgetq_lane_bf16): New.
 493         (vcreate_bf16): New.
 494         (vdup_n_bf16, vdupq_n_bf16): New.
 495         (vdup_lane_bf16, vdup_laneq_bf16): New.
 496         (vdupq_lane_bf16, vdupq_laneq_bf16): New.
 497         (vduph_lane_bf16, vduph_laneq_bf16): New.
 498         (vreinterpret_bf16_u8, vreinterpretq_bf16_u8): New.
 499         (vreinterpret_bf16_u16, vreinterpretq_bf16_u16): New.
 500         (vreinterpret_bf16_u32, vreinterpretq_bf16_u32): New.
 501         (vreinterpret_bf16_u64, vreinterpretq_bf16_u64): New.
 502         (vreinterpret_bf16_s8, vreinterpretq_bf16_s8): New.
 503         (vreinterpret_bf16_s16, vreinterpretq_bf16_s16): New.
 504         (vreinterpret_bf16_s32, vreinterpretq_bf16_s32): New.
 505         (vreinterpret_bf16_s64, vreinterpretq_bf16_s64): New.
 506         (vreinterpret_bf16_p8, vreinterpretq_bf16_p8): New.
 507         (vreinterpret_bf16_p16, vreinterpretq_bf16_p16): New.
 508         (vreinterpret_bf16_p64, vreinterpretq_bf16_p64): New
 509         (vreinterpret_bf16_f16, vreinterpretq_bf16_f16): New
 510         (vreinterpret_bf16_f32, vreinterpretq_bf16_f32): New.
 511         (vreinterpret_bf16_f64, vreinterpretq_bf16_f64): New.
 512         (vreinterpretq_bf16_p128): New.
 513         (vreinterpret_s8_bf16, vreinterpretq_s8_bf16): New.
 514         (vreinterpret_s16_bf16, vreinterpretq_s16_bf16): New.
 515         (vreinterpret_s32_bf16, vreinterpretq_s32_bf16): New.
 516         (vreinterpret_s64_bf16, vreinterpretq_s64_bf16): New.
 517         (vreinterpret_u8_bf16, vreinterpretq_u8_bf16): New.
 518         (vreinterpret_u16_bf16, vreinterpretq_u16_bf16): New.
 519         (vreinterpret_u32_bf16, vreinterpretq_u32_bf16): New.
 520         (vreinterpret_u64_bf16, vreinterpretq_u64_bf16): New.
 521         (vreinterpret_p8_bf16, vreinterpretq_p8_bf16): New.
 522         (vreinterpret_p16_bf16, vreinterpretq_p16_bf16): New.
 523         (vreinterpret_p64_bf16, vreinterpretq_p64_bf16): New.
 524         (vreinterpret_f32_bf16, vreinterpretq_f32_bf16): New.
 525         (vreinterpret_f64_bf16,vreinterpretq_f64_bf16): New.
 526         (vreinterpret_f16_bf16,vreinterpretq_f16_bf16): New.
 527         (vreinterpretq_p128_bf16): New.
 528
 529 2020-02-25  Dennis Zhang  <dennis.zhang@arm.com>
 530
 531         * config/arm/arm_neon.h (vbfdot_f32, vbfdotq_f32): New
 532         (vbfdot_lane_f32, vbfdotq_laneq_f32): New.
 533         (vbfdot_laneq_f32, vbfdotq_lane_f32): New.
 534         * config/arm/arm_neon_builtins.def (vbfdot): New entry.
 535         (vbfdot_lanev4bf, vbfdot_lanev8bf): Likewise.
 536         * config/arm/iterators.md (VSF2BF): New attribute.
 537         * config/arm/neon.md (neon_vbfdot<VCVTF:mode>): New entry.
 538         (neon_vbfdot_lanev4bf<VCVTF:mode>): Likewise.
 539         (neon_vbfdot_lanev8bf<VCVTF:mode>): Likewise.
 540
 541 2020-02-25  Christophe Lyon  <christophe.lyon@linaro.org>
 542
 543         * config/arm/arm.md (required_for_purecode): New attribute.
 544         (enabled): Handle required_for_purecode.
 545         * config/arm/thumb1.md (thumb1_movsi_insn): Add alternative to
 546         work with -mpure-code.
 547
 548 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
 549
 550         PR rtl-optimization/93908
 551         * combine.c (find_split_point): For store into ZERO_EXTRACT, and src
 552         with mask.
 553
 554 2019-02-25  Eric Botcazou  <ebotcazou@adacore.com>
 555
 556         * dwarf2out.c (dwarf2out_size_function): Run in early-DWARF mode.
 557
 558 2020-02-25  Roman Zhuykov  <zhroma@ispras.ru>
 559
 560         * doc/install.texi (--enable-checking): Adjust wording.
 561
 562 2020-02-25  Richard Biener  <rguenther@suse.de>
 563
 564         PR tree-optimization/93868
 565         * tree-vect-slp.c (slp_copy_subtree): New function.
 566         (vect_attempt_slp_rearrange_stmts): Copy the SLP tree before
 567         re-arranging stmts in it.
 568
 569 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
 570
 571         PR middle-end/93874
 572         * passes.c (pass_manager::dump_passes): Create a cgraph node for the
 573         dummy function and remove it at the end.
 574
 575         PR translation/93864
 576         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Fix comment typo
 577         paramter -> parameter.
 578         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Likewise.
 579         * ipa-prop.h (struct ipa_agg_replacement_value): Likewise.
 580
 581 2020-02-24  Roman Zhuykov  <zhroma@ispras.ru>
 582
 583         * doc/install.texi (--enable-checking): Properly document current
 584         behavior.
 585         (--enable-stage1-checking): Minor clarification about bootstrap.
 586
 587 2020-02-24  David Malcolm  <dmalcolm@redhat.com>
 588
 589         PR analyzer/93032
 590         * doc/invoke.texi (-Wnanalyzer-tainted-array-index): Note that
 591         -fanalyzer-checker=taint is also required.
 592         (-fanalyzer-checker=): Note that providing this option enables the
 593         given checker, and doing so may be required for checkers that are
 594         disabled by default.
 595
 596 2020-02-24  David Malcolm  <dmalcolm@redhat.com>
 597
 598         * doc/invoke.texi (-fanalyzer-verbosity=): "2" only shows
 599         significant control flow events; add a "3" which shows all
 600         control flow events; the old "3" becomes "4".
 601
 602 2020-02-24  Jakub Jelinek  <jakub@redhat.com>
 603
 604         PR tree-optimization/93582
 605         * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Consider
 606         pd.offset and pd.size to be counted in bits rather than bytes, add
 607         support for maxsizei that is not a multiple of BITS_PER_UNIT and
 608         handle bitfield stores and loads.
 609         (vn_reference_lookup_3): Don't call ranges_known_overlap_p with
 610         uncomparable quantities - bytes vs. bits.  Allow push_partial_def
 611         on offsets/sizes that aren't multiple of BITS_PER_UNIT and adjust
 612         pd.offset/pd.size to be counted in bits rather than bytes.
 613         Formatting fix.  Rename shadowed len variable to buflen.
 614
 615 2020-02-24  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 616             Kugan Vivekandarajah  <kugan.vivekanandarajah@linaro.org>
 617
 618         PR driver/47785
 619         * gcc.c (putenv_COLLECT_AS_OPTIONS): New function.
 620         (driver::main): Call putenv_COLLECT_AS_OPTIONS.
 621         * opts-common.c (parse_options_from_collect_gcc_options): New function.
 622         (prepend_xassembler_to_collect_as_options): Likewise.
 623         * opts.h (parse_options_from_collect_gcc_options): Declare prototype.
 624         (prepend_xassembler_to_collect_as_options): Likewise.
 625         * lto-opts.c (lto_write_options): Stream assembler options
 626         in COLLECT_AS_OPTIONS.
 627         * lto-wrapper.c (xassembler_options_error): New static variable.
 628         (get_options_from_collect_gcc_options): Move parsing options code to
 629         parse_options_from_collect_gcc_options and call it.
 630         (merge_and_complain): Validate -Xassembler options.
 631         (append_compiler_options): Handle OPT_Xassembler.
 632         (run_gcc): Append command line -Xassembler options to
 633         collect_gcc_options.
 634         * doc/invoke.texi: Add documentation about using Xassembler
 635         options with LTO.
 636
 637 2020-02-24  Kito Cheng  <kito.cheng@sifive.com>
 638
 639         * config/riscv/riscv.c (riscv_emit_float_compare): Change the code gen
 640         for LTGT.
 641         (riscv_rtx_costs): Update cost model for LTGT.
 642
 643 2020-02-23  Vladimir Makarov  <vmakarov@redhat.com>
 644
 645         PR rtl-optimization/93564
 646         * ira-color.c (struct update_cost_queue_elem): New member start.
 647         (queue_update_cost, get_next_update_cost): Add new arg start.
 648         (allocnos_conflict_p): New function.
 649         (update_costs_from_allocno): Add new arg conflict_cost_update_p.
 650         Add checking conflicts with allocnos_conflict_p.
 651         (update_costs_from_prefs, restore_costs_from_copies): Adjust
 652         update_costs_from_allocno calls.
 653         (update_conflict_hard_regno_costs): Add checking conflicts with
 654         allocnos_conflict_p.  Adjust calls of queue_update_cost and
 655         get_next_update_cost.
 656         (assign_hard_reg): Adjust calls of queue_update_cost.  Add
 657         debugging print.
 658         (bucket_allocno_compare_func): Restore previous version.
 659
 660 2020-02-21  John David Anglin  <danglin@gcc.gnu.org>
 661
 662         * gcc/config/pa/pa.c (pa_function_value): Fix check for word and
 663         double-word size when handling aggregate return values.
 664         * gcc/config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Fix to indicate
 665         that homogeneous SFmode and DFmode aggregates are passed and returned
 666         in general registers.
 667
 668 2020-02-21  Jakub Jelinek  <jakub@redhat.com>
 669
 670         PR translation/93759
 671         * opts.c (print_filtered_help): Translate help before appending
 672         messages to it rather than after that.
 673
 674 2020-02-19  Richard Sandiford  <richard.sandiford@arm.com>
 675
 676         PR rtl-optimization/PR92989
 677         * lra-lives.c (process_bb_lives): Restore the original order
 678         of the bb liveness update.  Call make_hard_regno_dead for each
 679         register clobbered at the start of an EH receiver.
 680
 681 2020-02-18  Feng Xue  <fxue@os.amperecomputing.com>
 682
 683         PR ipa/93763
 684         * ipa-cp.c (self_recursively_generated_p): Mark self-dependent value as
 685         self-recursively generated.
 686
 687 2020-02-21  Iain Sandoe  <iain@sandoe.co.uk>
 688
 689         PR target/93860
 690         * config/darwin-c.c (pop_field_alignment): Adjust quoting of
 691         error string.
 692
 693 2020-02-21  Mihail Ionescu  <mihail.ionescu@arm.com>
 694
 695         * doc/sourcebuild.texi (arm_v8_1m_mve_ok):
 696         Document new target supports option.
 697
 698 2020-02-21  Dennis Zhang  <dennis.zhang@arm.com>
 699
 700         * config/arm/arm_neon.h (vmmlaq_s32, vmmlaq_u32, vusmmlaq_s32): New.
 701         * config/arm/arm_neon_builtins.def (smmla, ummla, usmmla): New.
 702         * config/arm/iterators.md (MATMUL): New iterator.
 703         (sup): Add UNSPEC_MATMUL_S, UNSPEC_MATMUL_U, and UNSPEC_MATMUL_US.
 704         (mmla_sfx): New attribute.
 705         * config/arm/neon.md (neon_<sup>mmlav16qi): New.
 706         * config/arm/unspecs.md (UNSPEC_MATMUL_S, UNSPEC_MATMUL_U): New.
 707         (UNSPEC_MATMUL_US): New.
 708
 709 2020-02-21  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
 710
 711         * config/arm/arm.md: Prevent scalar shifts from being used when big
 712         endian is enabled.
 713
 714 2020-02-21  Jan Hubicka  <hubicka@ucw.cz>
 715             Richard Biener  <rguenther@suse.de>
 716
 717         PR tree-optimization/93586
 718         * tree-ssa-alias.c (nonoverlapping_array_refs_p): Finish array walk
 719         after mismatched array refs; do not sure type size information to
 720         recover from unmatched referneces with !flag_strict_aliasing_p.
 721
 722 2020-02-21  Andrew Stubbs  <ams@codesourcery.com>
 723
 724         * config/gcn/gcn-valu.md (gather_load<mode>): Rename to ...
 725         (gather_load<mode>v64si): ... this and set operand 2 to V64SI.
 726         (scatter_store<mode>): Rename to ...
 727         (scatter_store<mode>v64si): ... this and set operand 1 to V64SI.
 728         (scatter<mode>_exec): Delete. Move contents ...
 729         (mask_scatter_store<mode>): ... here, and rename that to ...
 730         (mask_gather_load<mode>v64si): ... this. Set operand 2 to V64SI.
 731         Remove mode conversion.
 732         (mask_gather_load<mode>): Rename to ...
 733         (mask_scatter_store<mode>v64si): ... this. Set operand 1 to V64SI.
 734         Remove mode conversion.
 735         * config/gcn/gcn.c (gcn_expand_scaled_offsets): Remove mode conversion.
 736
 737 2020-02-21  Martin Jambor  <mjambor@suse.cz>
 738
 739         PR tree-optimization/93845
 740         * tree-sra.c (verify_sra_access_forest): Only test access size of
 741         scalar types.
 742
 743 2020-02-21  Andrew Stubbs  <ams@codesourcery.com>
 744
 745         * config/gcn/gcn.c (gcn_hard_regno_mode_ok): Align VGPR pairs.
 746         * config/gcn/gcn-valu.md (addv64di3): Remove early-clobber.
 747         (addv64di3_exec): Likewise.
 748         (subv64di3): Likewise.
 749         (subv64di3_exec): Likewise.
 750         (addv64di3_zext): Likewise.
 751         (addv64di3_zext_exec): Likewise.
 752         (addv64di3_zext_dup): Likewise.
 753         (addv64di3_zext_dup_exec): Likewise.
 754         (addv64di3_zext_dup2): Likewise.
 755         (addv64di3_zext_dup2_exec): Likewise.
 756         (addv64di3_sext_dup2): Likewise.
 757         (addv64di3_sext_dup2_exec): Likewise.
 758         (<expander>v64di3): Likewise.
 759         (<expander>v64di3_exec): Likewise.
 760         (*<reduc_op>_dpp_shr_v64di): Likewise.
 761         (*plus_carry_dpp_shr_v64di): Likewise.
 762         * config/gcn/gcn.md (adddi3): Likewise.
 763         (addptrdi3): Likewise.
 764         (<expander>di3): Likewise.
 765
 766 2020-02-21  Andrew Stubbs  <ams@codesourcery.com>
 767
 768         * config/gcn/gcn-valu.md (vec_seriesv64di): Use gen_vec_duplicatev64di.
 769
 770 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
 771
 772         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Add SVE
 773         support.  Use aarch64_emit_mult instead of emitting multiplication
 774         instructions directly.
 775         * config/aarch64/aarch64-sve.md (sqrt<mode>2, rsqrt<mode>2)
 776         (@aarch64_rsqrte<mode>, @aarch64_rsqrts<mode>): New expanders.
 777
 778 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
 779
 780         * config/aarch64/aarch64.c (aarch64_emit_mult): New function.
 781         (aarch64_emit_approx_div): Add SVE support.  Use aarch64_emit_mult
 782         instead of emitting multiplication instructions directly.
 783         * config/aarch64/iterators.md (SVE_COND_FP_BINARY_OPTAB): New iterator.
 784         * config/aarch64/aarch64-sve.md (div<mode>3, @aarch64_frecpe<mode>)
 785         (@aarch64_frecps<mode>): New expanders.
 786
 787 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
 788
 789         * config/aarch64/aarch64-protos.h (AARCH64_APPROX_MODE): Operate
 790         on and produce uint64_ts rather than ints.
 791         (AARCH64_APPROX_NONE, AARCH64_APPROX_ALL): Change to uint64_ts.
 792         (cpu_approx_modes): Change the fields from unsigned int to uint64_t.
 793
 794 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
 795
 796         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Don't create
 797         an unused xmsk register when handling approximate rsqrt.
 798
 799 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
 800
 801         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Fix inverted
 802         flag_finite_math_only condition.
 803
 804 2020-02-20  Uroš Bizjak  <ubizjak@gmail.com>
 805
 806         PR target/93828
 807         * config/i386/mmx.md (*vec_extractv2sf_1): Match source operand
 808         to destination operand for shufps alternative.
 809         (*vec_extractv2si_1): Ditto.
 810
 811 2020-02-20  Peter Bergner  <bergner@linux.ibm.com>
 812
 813         PR target/93658
 814         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Handle VSX
 815         vector modes.
 816
 817 2020-02-20  Martin Liska  <mliska@suse.cz>
 818
 819         PR translation/93831
 820         * config/darwin.c (darwin_override_options): Change 64b to 64-bit mode.
 821
 822 2020-02-20  Martin Liska  <mliska@suse.cz>
 823
 824         PR translation/93830
 825         * common/config/avr/avr-common.c: Remote trailing "|".
 826
 827 2020-02-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 828
 829         * collect2.c (maybe_run_lto_and_relink): Fix typo in
 830         comment.
 831
 832 2020-02-19  Richard Sandiford  <richard.sandiford@arm.com>
 833
 834         PR tree-optimization/93767
 835         * tree-vect-data-refs.c (vect_compile_time_alias): Remove the
 836         access-size bias from the offset calculations for negative strides.
 837
 838 2020-02-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 839
 840         * collect2.c (c_file, o_file): Make const again.
 841         (ldout,lderrout, dump_ld_file): Remove.
 842         (tool_cleanup): Avoid calling not signal-safe functions.
 843         (maybe_run_lto_and_relink): Avoid possible signal handler
 844         access to unintialzed memory (lto_o_files).
 845         (main): Avoid leaking temp files in $TMPDIR.
 846         Initialize c_file/o_file with concat, which avoids exposing
 847         uninitialized memory to signal handler, which calls unlink(!).
 848         Avoid calling maybe_unlink when the main function returns,
 849         since the atexit handler is already doing this.
 850         * collect2.h (dump_ld_file, ldout, lderrout): Remove.
 851
 852 2020-02-19  Martin Jambor  <mjambor@suse.cz>
 853
 854         PR tree-optimization/93776
 855         * tree-sra.c (create_access): Do not create zero size accesses.
 856         (get_access_for_expr): Do not search for zero sized accesses.
 857
 858 2020-02-19  Martin Jambor  <mjambor@suse.cz>
 859
 860         PR tree-optimization/93667
 861         * tree-sra.c (scalarizable_type_p): Return false if record fields
 862         do not follow wach other.
 863
 864 2020-01-21  Kito Cheng  <kito.cheng@sifive.com>
 865
 866         * config/riscv/riscv.c (riscv_output_move) Using fmv.x.w/fmv.w.x
 867         rather than fmv.x.s/fmv.s.x.
 868
 869 2020-02-18  James Greenhalgh  <james.greenhalgh@arm.com>
 870
 871         * config/aarch64/aarch64-simd-builtins.def
 872         (intrinsic_vec_smult_lo_): New.
 873         (intrinsic_vec_umult_lo_): Likewise.
 874         (vec_widen_smult_hi_): Likewise.
 875         (vec_widen_umult_hi_): Likewise.
 876         * config/aarch64/aarch64-simd.md
 877         (aarch64_intrinsic_vec_<su>mult_lo_<mode>): New.
 878         * config/aarch64/arm_neon.h (vmull_high_s8): Use intrinsics.
 879         (vmull_high_s16): Likewise.
 880         (vmull_high_s32): Likewise.
 881         (vmull_high_u8): Likewise.
 882         (vmull_high_u16): Likewise.
 883         (vmull_high_u32): Likewise.
 884         (vmull_s8): Likewise.
 885         (vmull_s16): Likewise.
 886         (vmull_s32): Likewise.
 887         (vmull_u8): Likewise.
 888         (vmull_u16): Likewise.
 889         (vmull_u32): Likewise.
 890
 891 2020-02-18  Martin Liska  <mliska@suse.cz>
 892
 893         * value-prof.c (stream_out_histogram_value): Restore LTO PGO
 894         bootstrap by missing removal of invalid sanity check.
 895
 896 2020-02-18  Martin Liska  <mliska@suse.cz>
 897
 898         PR ipa/92518
 899         * ipa-icf-gimple.c (func_checker::compare_gimple_assign):
 900         Always compare LHS of gimple_assign.
 901
 902 2020-02-18  Martin Liska  <mliska@suse.cz>
 903
 904         PR ipa/93583
 905         * cgraph.c (cgraph_node::verify_node): Verify MALLOC attribute
 906         and return type of functions.
 907         * ipa-param-manipulation.c (ipa_param_adjustments::adjust_decl):
 908         Drop MALLOC attribute for void functions.
 909         * ipa-pure-const.c (funct_state_summary_t::duplicate): Drop
 910         malloc_state for a new VOID clone.
 911
 912 2020-02-18  Martin Liska  <mliska@suse.cz>
 913
 914         PR ipa/92924
 915         * common.opt: Add -fprofile-reproducibility.
 916         * doc/invoke.texi: Document it.
 917         * value-prof.c (dump_histogram_value):
 918         Document and support behavior for counters[0]
 919         being a negative value.
 920         (get_nth_most_common_value): Handle negative
 921         counters[0] in respect to flag_profile_reproducible.
 922
 923 2020-02-18  Jakub Jelinek  <jakub@redhat.com>
 924
 925         PR ipa/93797
 926         * cgraph.c (verify_speculative_call): Use speculative_id instead of
 927         speculative_uid in messages.  Remove trailing whitespace from error
 928         message.  Use num_speculative_call_targets instead of
 929         num_speculative_targets in a message.
 930         (cgraph_node::verify_node): Use call_stmt instead of cal_stmt in
 931         edge messages and stmt instead of cal_stmt in reference message.
 932
 933         PR tree-optimization/93780
 934         * tree-ssa.c (non_rewritable_lvalue_p): Check valid_vector_subparts_p
 935         before calling build_vector_type.
 936         (execute_update_addresses_taken): Likewise.
 937
 938         PR driver/93796
 939         * params.opt (-param=ipa-max-switch-predicate-bounds=): Fix help
 940         typo, functoin -> function.
 941         * tree.c (free_lang_data_in_decl): Fix comment typo,
 942         functoin -> function.
 943         * ipa-visibility.c (cgraph_externally_visible_p): Likewise.
 944
 945 2020-02-17  David Malcolm  <dmalcolm@redhat.com>
 946
 947         * diagnostic.c (print_any_cwe): Don't call get_cwe_url if URLs
 948         won't be printed.
 949         (print_option_information): Don't call get_option_url if URLs
 950         won't be printed.
 951
 952 2020-02-17  Alexandre Oliva  <oliva@adacore.com>
 953
 954         * tree-emutls.c (new_emutls_decl, emutls_common_1): Complete
 955         handling of register_common-less targets.
 956
 957 2020-02-17  Martin Liska  <mliska@suse.cz>
 958
 959         PR ipa/93760
 960         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar.
 961
 962 2020-02-17  Martin Liska  <mliska@suse.cz>
 963
 964         PR translation/93755
 965         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 966         Fix double quotes.
 967
 968 2020-02-17  Martin Liska  <mliska@suse.cz>
 969
 970         PR other/93756
 971         * config/rx/elf.opt: Fix typo.
 972
 973 2020-02-17  Richard Biener  <rguenther@suse.de>
 974
 975         PR c/86134
 976         * opts-global.c (print_ignored_options): Use inform and
 977         amend message.
 978
 979 2020-02-17  Jiufu Guo  <guojiufu@linux.ibm.com>
 980
 981         PR target/93047
 982         * config/rs6000/rs6000.md (untyped_call): Add emit_clobber.
 983
 984 2020-02-16  Uroš Bizjak  <ubizjak@gmail.com>
 985
 986         PR target/93743
 987         * config/i386/i386.md (atan2xf3): Swap operands 1 and 2.
 988         (atan2<mode>3): Update operand order in the call to gen_atan2xf3.
 989
 990 2020-02-15  Jason Merrill  <jason@redhat.com>
 991
 992         * doc/invoke.texi (C Dialect Options): Add -std=c++20.
 993
 994 2020-02-15  Jakub Jelinek  <jakub@redhat.com>
 995
 996         PR tree-optimization/93744
 997         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0,
 998         A - ((A - B) & -(C cmp D)) -> (C cmp D) ? B : A,
 999         A + ((B - A) & -(C cmp D)) -> (C cmp D) ? B : A): For GENERIC, make
1000         sure @2 in the first and @1 in the other patterns has no side-effects.
1001
1002 2020-02-15  David Malcolm  <dmalcolm@redhat.com>
1003             Bernd Edlinger  <bernd.edlinger@hotmail.de>
1004
1005         PR 87488
1006         PR other/93168
1007         * config.in (DIAGNOSTICS_URLS_DEFAULT): New define.
1008         * configure.ac (--with-diagnostics-urls): New configuration
1009         option, based on --with-diagnostics-color.
1010         (DIAGNOSTICS_URLS_DEFAULT): New define.
1011         * config.h: Regenerate.
1012         * configure: Regenerate.
1013         * diagnostic.c (diagnostic_urls_init): Handle -1 for
1014         DIAGNOSTICS_URLS_DEFAULT from configure-time
1015         --with-diagnostics-urls=auto-if-env by querying for a GCC_URLS
1016         and TERM_URLS environment variable.
1017         * diagnostic-url.h (diagnostic_url_format): New enum type.
1018         (diagnostic_urls_enabled_p): rename to...
1019         (determine_url_format): ... this, and change return type.
1020         * diagnostic-color.c (parse_env_vars_for_urls): New helper function.
1021         (auto_enable_urls): Disable URLs on xfce4-terminal, gnome-terminal,
1022         the linux console, and mingw.
1023         (diagnostic_urls_enabled_p): rename to...
1024         (determine_url_format): ... this, and adjust.
1025         * pretty-print.h (pretty_printer::show_urls): rename to...
1026         (pretty_printer::url_format): ... this, and change to enum.
1027         * pretty-print.c (pretty_printer::pretty_printer,
1028         pp_begin_url, pp_end_url, test_urls): Adjust.
1029         * doc/install.texi (--with-diagnostics-urls): Document the new
1030         configuration option.
1031         (--with-diagnostics-color): Document the existing interaction
1032         with GCC_COLORS better.
1033         * doc/invoke.texi (-fdiagnostics-urls): Add GCC_URLS and TERM_URLS
1034         vindex reference.  Update description of defaults based on the above.
1035         (-fdiagnostics-color): Update description of how -fdiagnostics-color
1036         interacts with GCC_COLORS.
1037
1038 2020-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1039
1040         PR target/93704
1041         * config/sparc/sparc.c (eligible_for_call_delay): Test HAVE_GNU_LD in
1042         conjunction with TARGET_GNU_TLS in early return.
1043
1044 2020-02-14  Alexander Monakov  <amonakov@ispras.ru>
1045
1046         * rtlanal.c (rtx_cost): Handle a SET up front. Avoid division if
1047         the mode is not wider than UNITS_PER_WORD.
1048
1049 2020-02-14  Martin Jambor  <mjambor@suse.cz>
1050
1051         PR tree-optimization/93516
1052         * tree-sra.c (propagate_subaccesses_from_rhs): Do not create
1053         access of the same type as the parent.
1054         (propagate_subaccesses_from_lhs): Likewise.
1055
1056 2020-02-14 Hongtao Liu  <hongtao.liu@intel.com>
1057
1058         PR target/93724
1059         * config/i386/avx512vbmi2intrin.h
1060         (_mm512_shrdi_epi16, _mm512_mask_shrdi_epi16,
1061         _mm512_maskz_shrdi_epi16, _mm512_shrdi_epi32,
1062         _mm512_mask_shrdi_epi32, _mm512_maskz_shrdi_epi32,
1063         _m512_shrdi_epi64, _m512_mask_shrdi_epi64,
1064         _m512_maskz_shrdi_epi64, _mm512_shldi_epi16,
1065         _mm512_mask_shldi_epi16, _mm512_maskz_shldi_epi16,
1066         _mm512_shldi_epi32, _mm512_mask_shldi_epi32,
1067         _mm512_maskz_shldi_epi32, _mm512_shldi_epi64,
1068         _mm512_mask_shldi_epi64, _mm512_maskz_shldi_epi64): Fix typo
1069         of lacking a closing parenthesis.
1070         * config/i386/avx512vbmi2vlintrin.h
1071         (_mm256_shrdi_epi16, _mm256_mask_shrdi_epi16,
1072         _mm256_maskz_shrdi_epi16, _mm256_shrdi_epi32,
1073         _mm256_mask_shrdi_epi32, _mm256_maskz_shrdi_epi32,
1074         _m256_shrdi_epi64, _m256_mask_shrdi_epi64,
1075         _m256_maskz_shrdi_epi64, _mm256_shldi_epi16,
1076         _mm256_mask_shldi_epi16, _mm256_maskz_shldi_epi16,
1077         _mm256_shldi_epi32, _mm256_mask_shldi_epi32,
1078         _mm256_maskz_shldi_epi32, _mm256_shldi_epi64,
1079         _mm256_mask_shldi_epi64, _mm256_maskz_shldi_epi64,
1080         _mm_shrdi_epi16, _mm_mask_shrdi_epi16,
1081         _mm_maskz_shrdi_epi16, _mm_shrdi_epi32,
1082         _mm_mask_shrdi_epi32, _mm_maskz_shrdi_epi32,
1083         _mm_shrdi_epi64, _mm_mask_shrdi_epi64,
1084         _m_maskz_shrdi_epi64, _mm_shldi_epi16,
1085         _mm_mask_shldi_epi16, _mm_maskz_shldi_epi16,
1086         _mm_shldi_epi32, _mm_mask_shldi_epi32,
1087         _mm_maskz_shldi_epi32, _mm_shldi_epi64,
1088         _mm_mask_shldi_epi64, _mm_maskz_shldi_epi64): Ditto.
1089
1090 2020-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1091
1092         PR target/93656
1093         * config/i386/i386.c (ix86_trampoline_init): Skip ENDBR32 at
1094         the target function entry.
1095
1096 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
1097
1098         * common/config/arc/arc-common.c (arc_option_optimization_table):
1099         Disable if-conversion step when optimized for size.
1100
1101 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
1102
1103         * config/arc/arc.c (arc_conditional_register_usage): R0-R3 and
1104         R12-R15 are always in ARCOMPACT16_REGS register class.
1105         * config/arc/arc.opt (mq-class): Deprecate.
1106         * config/arc/constraint.md ("q"): Remove dependency on mq-class
1107         option.
1108         * doc/invoke.texi (mq-class): Update text.
1109         * common/config/arc/arc-common.c (arc_option_optimization_table):
1110         Update list.
1111
1112 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
1113
1114         * config/arc/arc.c (arc_insn_cost): New function.
1115         (TARGET_INSN_COST): Define.
1116         * config/arc/arc.md (cost): New attribute.
1117         (add_n): Use arc_nonmemory_operand.
1118         (ashlsi3_insn): Likewise, also update constraints.
1119         (ashrsi3_insn): Likewise.
1120         (rotrsi3): Likewise.
1121         (add_shift): Likewise.
1122         * config/arc/predicates.md (arc_nonmemory_operand): New predicate.
1123
1124 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
1125
1126         * config/arc/arc.md (mulsidi_600): Correctly select mlo/mhi
1127         registers.
1128         (umulsidi_600): Likewise.
1129
1130 2020-02-13  Jakub Jelinek  <jakub@redhat.com>
1131
1132         PR target/93696
1133         * config/i386/avx512bitalgintrin.h (_mm512_mask_popcnt_epi8,
1134         _mm512_mask_popcnt_epi16, _mm256_mask_popcnt_epi8,
1135         _mm256_mask_popcnt_epi16, _mm_mask_popcnt_epi8,
1136         _mm_mask_popcnt_epi16): Rename __B argument to __A and __A to __W,
1137         pass __A to the builtin followed by __W instead of __A followed by
1138         __B.
1139         * config/i386/avx512vpopcntdqintrin.h (_mm512_mask_popcnt_epi32,
1140         _mm512_mask_popcnt_epi64): Likewise.
1141         * config/i386/avx512vpopcntdqvlintrin.h (_mm_mask_popcnt_epi32,
1142         _mm256_mask_popcnt_epi32, _mm_mask_popcnt_epi64,
1143         _mm256_mask_popcnt_epi64): Likewise.
1144
1145         PR tree-optimization/93582
1146         * fold-const.h (shift_bytes_in_array_left,
1147         shift_bytes_in_array_right): Declare.
1148         * fold-const.c (shift_bytes_in_array_left,
1149         shift_bytes_in_array_right): New function, moved from
1150         gimple-ssa-store-merging.c, no longer static.
1151         * gimple-ssa-store-merging.c (shift_bytes_in_array): Move
1152         to gimple-ssa-store-merging.c and rename to shift_bytes_in_array_left.
1153         (shift_bytes_in_array_right): Move to gimple-ssa-store-merging.c.
1154         (encode_tree_to_bitpos): Use shift_bytes_in_array_left instead of
1155         shift_bytes_in_array.
1156         (verify_shift_bytes_in_array): Rename to ...
1157         (verify_shift_bytes_in_array_left): ... this.  Use
1158         shift_bytes_in_array_left instead of shift_bytes_in_array.
1159         (store_merging_c_tests): Call verify_shift_bytes_in_array_left
1160         instead of verify_shift_bytes_in_array.
1161         * tree-ssa-sccvn.c (vn_reference_lookup_3): For native_encode_expr
1162         / native_interpret_expr where the store covers all needed bits,
1163         punt on PDP-endian, otherwise allow all involved offsets and sizes
1164         not to be byte-aligned.
1165
1166         PR target/93673
1167         * config/i386/sse.md (k<code><mode>): Drop mode from last operand and
1168         use const_0_to_255_operand predicate instead of immediate_operand.
1169         (avx512dq_fpclass<mode><mask_scalar_merge_name>,
1170         avx512dq_vmfpclass<mode><mask_scalar_merge_name>,
1171         vgf2p8affineinvqb_<mode><mask_name>,
1172         vgf2p8affineqb_<mode><mask_name>): Drop mode from
1173         const_0_to_255_operand predicated operands.
1174
1175 2020-02-12  Jeff Law  <law@redhat.com>
1176
1177         * config/h8300/h8300.md (comparison shortening peepholes): Use
1178         a mode iterator to merge the HImode and SImode peepholes.
1179
1180 2020-02-12  Jakub Jelinek  <jakub@redhat.com>
1181
1182         PR middle-end/93663
1183         * real.c (is_even): Make static.  Function comment fix.
1184         (is_halfway_below): Make static, don't assert R is not inf/nan,
1185         instead return false for those.  Small formatting fixes.
1186
1187 2020-02-12  Martin Sebor  <msebor@redhat.com>
1188
1189         PR middle-end/93646
1190         * tree-ssa-strlen.c (handle_builtin_stxncpy): Rename...
1191         (handle_builtin_stxncpy_strncat): ...to this.  Change first argument.
1192         Issue only -Wstringop-overflow strncat, never -Wstringop-truncation.
1193         (strlen_check_and_optimize_call): Adjust callee name.
1194
1195 2020-02-12  Jeff Law  <law@redhat.com>
1196
1197         * config/h8300/h8300.md (comparison shortening peepholes): Drop
1198         (and (xor)) variant.  Combine other two into single peephole.
1199
1200 2020-02-12  Wilco Dijkstra  <wdijkstr@arm.com>
1201
1202         PR rtl-optimization/93565
1203         * config/aarch64/aarch64.c (aarch64_rtx_costs): Add CTZ costs.
1204
1205 2020-02-12  Wilco Dijkstra  <wdijkstr@arm.com>
1206
1207         * config/aarch64/aarch64-simd.md
1208         (aarch64_zero_extend<GPI:mode>_reduc_plus_<VDQV_E:mode>): New pattern.
1209         * config/aarch64/aarch64.md (popcount<mode>2): Use it instead of
1210         generating separate ADDV and zero_extend patterns.
1211         * config/aarch64/iterators.md (VDQV_E): New iterator.
1212
1213 2020-02-12  Jeff Law  <law@redhat.com>
1214
1215         * config/h8300/h8300.md (cpymemsi, movmd): Remove dead patterns,
1216         expanders, splits, etc.
1217         (movmd_internal_<mode>, movmd splitter, movstr, movsd): Likewise.
1218         (stpcpy_internal_<mode>, stpcpy splitter): Likewise.
1219         (peepholes to convert QI/HI mode pushes to SI mode pushes): Likewise.
1220         * config/h8300/h8300.c (h8300_swap_into_er6): Remove unused function.
1221         (h8300_swap_out_of_er6, h8sx_emit_movmd): Likewise
1222         * config/h8300/h8300-protos.h (h8300_swap_into_er6): Remove unused
1223         function prototype.
1224         (h8300_swap_out_of_er6, h8sx_emit_movmd): Likewise.
1225
1226 2020-02-12  Jakub Jelinek  <jakub@redhat.com>
1227
1228         PR target/93670
1229         * config/i386/sse.md (VI48F_256_DQ): New mode iterator.
1230         (avx512vl_vextractf128<mode>): Use it instead of VI48F_256.  Remove
1231         TARGET_AVX512DQ from condition.
1232         (vec_extract_lo_<mode><mask_name>): Use <mask_avx512dq_condition>
1233         instead of <mask_mode512bit_condition> in condition.  If
1234         TARGET_AVX512DQ is false, emit vextract*64x4 instead of
1235         vextract*32x8.
1236         (vec_extract_lo_<mode><mask_name>): Drop <mask_avx512dq_condition>
1237         from condition.
1238
1239 2020-02-12  Kewen Lin  <linkw@gcc.gnu.org>
1240
1241         PR target/91052
1242         * ira.c (combine_and_move_insns): Skip multiple_sets def_insn.
1243
1244 2020-02-12  Segher Boessenkool  <segher@kernel.crashing.org>
1245
1246         * config/rs6000/rs6000.c (rs6000_debug_print_mode): Don't use sizeof
1247         where strlen is more legible.
1248         (rs6000_builtin_vectorized_libmass): Ditto.
1249         (rs6000_print_options_internal): Ditto.
1250
1251 2020-02-11  Martin Sebor  <msebor@redhat.com>
1252
1253         PR tree-optimization/93683
1254         * tree-ssa-alias.c (stmt_kills_ref_p): Avoid using LHS when not set.
1255
1256 2020-02-11  Michael Meissner  <meissner@linux.ibm.com>
1257
1258         * config/rs6000/predicates.md (cint34_operand): Rename the
1259         -mprefixed-addr option to be -mprefixed.
1260         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Rename
1261         the -mprefixed-addr option to be -mprefixed.
1262         (OTHER_FUTURE_MASKS): Likewise.
1263         (POWERPC_MASKS): Likewise.
1264         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
1265         the -mprefixed-addr option to be -mprefixed.  Change error
1266         messages to refer to -mprefixed.
1267         (num_insns_constant_gpr): Rename the -mprefixed-addr option to be
1268         -mprefixed.
1269         (rs6000_legitimate_offset_address_p): Likewise.
1270         (rs6000_mode_dependent_address): Likewise.
1271         (rs6000_opt_masks): Change the spelling of "-mprefixed-addr" to be
1272         "-mprefixed" for target attributes and pragmas.
1273         (address_to_insn_form): Rename the -mprefixed-addr option to be
1274         -mprefixed.
1275         (rs6000_adjust_insn_length): Likewise.
1276         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Rename the
1277         -mprefixed-addr option to be -mprefixed.
1278         (ASM_OUTPUT_OPCODE): Likewise.
1279         * config/rs6000/rs6000.md (prefixed insn attribute): Rename the
1280         -mprefixed-addr option to be -mprefixed.
1281         * config/rs6000/rs6000.opt (-mprefixed): Rename the
1282         -mprefixed-addr option to be prefixed.  Change the option from
1283         being undocumented to being documented.
1284         * doc/invoke.texi (RS/6000 and PowerPC Options): Document the
1285         -mprefixed option.  Update the -mpcrel documentation to mention
1286         -mprefixed.
1287
1288 2020-02-11  Hans-Peter Nilsson  <hp@axis.com>
1289
1290         * ira-conflicts.c (print_hard_reg_set): Correct output for sets
1291         including FIRST_PSEUDO_REGISTER - 1.
1292         * ira-color.c (print_hard_reg_set): Ditto.
1293
1294 2020-02-11  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
1295
1296         * config/arm/arm-builtins.c (enum arm_type_qualifiers):
1297         (USTERNOP_QUALIFIERS): New define.
1298         (USMAC_LANE_QUADTUP_QUALIFIERS): New define.
1299         (SUMAC_LANE_QUADTUP_QUALIFIERS): New define.
1300         (arm_expand_builtin_args): Add case ARG_BUILTIN_LANE_QUADTUP_INDEX.
1301         (arm_expand_builtin_1): Add qualifier_lane_quadtup_index.
1302         * config/arm/arm_neon.h (vusdot_s32): New.
1303         (vusdot_lane_s32): New.
1304         (vusdotq_lane_s32): New.
1305         (vsudot_lane_s32): New.
1306         (vsudotq_lane_s32): New.
1307         * config/arm/arm_neon_builtins.def (usdot, usdot_lane,sudot_lane): New.
1308         * config/arm/iterators.md (DOTPROD_I8MM): New.
1309         (sup, opsuffix): Add <us/su>.
1310         * config/arm/neon.md (neon_usdot, <us/su>dot_lane: New.
1311         * config/arm/unspecs.md (UNSPEC_DOT_US, UNSPEC_DOT_SU): New.
1312
1313 2020-02-11  Richard Biener  <rguenther@suse.de>
1314
1315         PR tree-optimization/93661
1316         PR tree-optimization/93662
1317         * tree-ssa-sccvn.c (vn_reference_lookup_3): Properly guard
1318         tree_to_poly_int64.
1319         * tree-sra.c (get_access_for_expr): Likewise.
1320
1321 2020-02-10  Jakub Jelinek  <jakub@redhat.com>
1322
1323         PR target/93637
1324         * config/i386/sse.md (VI_256_AVX2): New mode iterator.
1325         (vcond_mask_<mode><sseintvecmodelower>): Use it instead of VI_256.
1326         Change condition from TARGET_AVX2 to TARGET_AVX.
1327
1328 2020-02-10  Iain Sandoe  <iain@sandoe.co.uk>
1329
1330         PR other/93641
1331         * config/darwin-c.c (darwin_cfstring_ref_p): Fix up last
1332         argument of strncmp.
1333
1334 2020-02-10  Hans-Peter Nilsson  <hp@axis.com>
1335
1336         Try to generate zero-based comparisons.
1337         * config/cris/cris.c (cris_reduce_compare): New function.
1338         * config/cris/cris-protos.h  (cris_reduce_compare): Add prototype.
1339         * config/cris/cris.md ("cbranch<mode>4", "cbranchdi4", "cstoredi4")
1340         (cstore<mode>4"): Apply cris_reduce_compare in expanders.
1341
1342 2020-02-10  Richard Earnshaw  <rearnsha@arm.com>
1343
1344         PR target/91913
1345         * config/arm/arm.md (movsi_compare0): Allow SP as a source register
1346         in Thumb state and also as a destination in Arm state.  Add T16
1347         variants.
1348
1349 2020-02-10  Hans-Peter Nilsson  <hp@axis.com>
1350
1351         * md.texi (Define Subst): Match closing paren in example.
1352
1353 2020-02-10  Jakub Jelinek  <jakub@redhat.com>
1354
1355         PR target/58218
1356         PR other/93641
1357         * config/i386/i386.c (x86_64_elf_section_type_flags): Fix up last
1358         arguments of strncmp.
1359
1360 2020-02-10  Feng Xue  <fxue@os.amperecomputing.com>
1361
1362         PR ipa/93203
1363         * ipa-cp.c (ipcp_lattice::add_value): Add source with same call edge
1364         but different source value.
1365         (adjust_callers_for_value_intersection): New function.
1366         (gather_edges_for_value): Adjust order of callers to let a
1367         non-self-recursive caller be the first element.
1368         (self_recursive_pass_through_p): Add a new parameter "simple", and
1369         check generalized self-recursive pass-through jump function.
1370         (self_recursive_agg_pass_through_p): Likewise.
1371         (find_more_scalar_values_for_callers_subset): Compute value from
1372         pass-through jump function for self-recursive.
1373         (intersect_with_plats): Cleanup previous implementation code for value
1374         itersection with self-recursive call edge.
1375         (intersect_with_agg_replacements): Likewise.
1376         (intersect_aggregates_with_edge): Deduce value from pass-through jump
1377         function for self-recursive call edge.  Cleanup previous implementation
1378         code for value intersection with self-recursive call edge.
1379         (decide_whether_version_node): Remove dead callers and adjust order
1380         to let a non-self-recursive caller be the first element.
1381
1382 2020-02-09  Uroš Bizjak  <ubizjak@gmail.com>
1383
1384         * recog.c: Move pass_split_before_sched2 code in front of
1385         pass_split_before_regstack.
1386         (pass_data_split_before_sched2): Rename pass to split3 from split4.
1387         (pass_data_split_before_regstack): Rename pass to split4 from split3.
1388         (rest_of_handle_split_before_sched2): Remove.
1389         (pass_split_before_sched2::execute): Unconditionally call
1390         split_all_insns.
1391         (enable_split_before_sched2): New function.
1392         (pass_split_before_sched2::gate): Use enable_split_before_sched2.
1393         (pass_split_before_regstack::gate): Ditto.
1394         * config/nds32/nds32.c (nds32_split_double_word_load_store_p):
1395         Update name check for renamed split4 pass.
1396         * config/sh/sh.c (register_sh_passes): Update pass insertion
1397         point for renamed split4 pass.
1398
1399 2020-02-09  Jakub Jelinek  <jakub@redhat.com>
1400
1401         * gimplify.c (gimplify_adjust_omp_clauses_1): Promote
1402         DECL_IN_CONSTANT_POOL variables into "omp declare target" to avoid
1403         copying them around between host and target.
1404
1405 2020-02-08  Andrew Pinski  <apinski@marvell.com>
1406
1407         PR target/91927
1408         * config/aarch64/aarch64-simd.md (movmisalign<mode>): Check
1409         STRICT_ALIGNMENT also.
1410
1411 2020-02-08  Jim Wilson  <jimw@sifive.com>
1412
1413         PR target/93532
1414         * config/riscv/riscv.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
1415
1416 2020-02-08  Uroš Bizjak  <ubizjak@gmail.com>
1417             Jakub Jelinek  <jakub@redhat.com>
1418
1419         PR target/65782
1420         * config/i386/i386.h (CALL_USED_REGISTERS): Make
1421         xmm16-xmm31 call-used even in 64-bit ms-abi.
1422
1423 2020-02-07  Dennis Zhang  <dennis.zhang@arm.com>
1424
1425         * config/aarch64/aarch64-simd-builtins.def (simd_smmla): New entry.
1426         (simd_ummla, simd_usmmla): Likewise.
1427         * config/aarch64/aarch64-simd.md (aarch64_simd_<sur>mmlav16qi): New.
1428         * config/aarch64/arm_neon.h (vmmlaq_s32, vmmlaq_u32): New.
1429         (vusmmlaq_s32): New.
1430
1431 2020-02-07  Richard Biener  <rguenther@suse.de>
1432
1433         PR middle-end/93519
1434         * tree-inline.c (fold_marked_statements): Do a PRE walk,
1435         skipping unreachable regions.
1436         (optimize_inline_calls): Skip folding stmts when we didn't
1437         inline.
1438
1439 2020-02-07  H.J. Lu  <hongjiu.lu@intel.com>
1440
1441         PR target/85667
1442         * config/i386/i386.c (function_arg_ms_64): Add a type argument.
1443         Don't return aggregates with only SFmode and DFmode in SSE
1444         register.
1445         (ix86_function_arg): Pass arg.type to function_arg_ms_64.
1446
1447 2020-02-07  Jakub Jelinek  <jakub@redhat.com>
1448
1449         PR target/93122
1450         * config/rs6000/rs6000-logue.c
1451         (rs6000_emit_probe_stack_range_stack_clash): Always use gen_add3_insn,
1452         if it fails, move rs into end_addr and retry.  Add
1453         REG_FRAME_RELATED_EXPR note whenever it returns more than one insn or
1454         the insn pattern doesn't describe well what exactly happens to
1455         dwarf2cfi.c.
1456
1457         PR target/93594
1458         * config/i386/predicates.md (avx_identity_operand): Remove.
1459         * config/i386/sse.md (*avx_vec_concat<mode>_1): Remove.
1460         (avx_<castmode><avxsizesuffix>_<castmode>,
1461         avx512f_<castmode><avxsizesuffix>_256<castmode>): Change patterns to
1462         a VEC_CONCAT of the operand and UNSPEC_CAST.
1463         (avx512f_<castmode><avxsizesuffix>_<castmode>): Change pattern to
1464         a VEC_CONCAT of VEC_CONCAT of the operand and UNSPEC_CAST with
1465         UNSPEC_CAST.
1466
1467         PR target/93611
1468         * config/i386/i386.c (ix86_lea_outperforms): Make sure to clear
1469         recog_data.insn if distance_non_agu_define changed it.
1470
1471 2020-02-06  Michael Meissner  <meissner@linux.ibm.com>
1472
1473         PR target/93569
1474         * config/rs6000/rs6000.c (reg_to_non_prefixed): Before ISA 3.0
1475         we only had X-FORM (reg+reg) addressing for vectors.  Also before
1476         ISA 3.0, we only had X-FORM addressing for scalars in the
1477         traditional Altivec registers.
1478
1479 2020-02-06  <zhongyunde@huawei.com>
1480             Vladimir Makarov  <vmakarov@redhat.com>
1481
1482         PR rtl-optimization/93561
1483         * lra-assigns.c (spill_for): Check that tested hard regno is not out of
1484         hard register range.
1485
1486 2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>
1487
1488         * config/aarch64/aarch64.md (aarch64_movk<mode>): Add a type
1489         attribute.
1490
1491 2020-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
1492
1493         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Handle the case
1494         where the low and the high 32 bits are equal to each other specially,
1495         with an rldimi instruction.
1496
1497 2020-02-06  Mihail Ionescu  <mihail.ionescu@arm.com>
1498
1499         * config/arm/arm-cpus.in: Set profile M for armv8.1-m.main.
1500
1501 2020-02-06  Mihail Ionescu  <mihail.ionescu@arm.com>
1502
1503         * config/arm/arm-tables.opt: Regenerate.
1504
1505 2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>
1506
1507         PR target/87763
1508         * config/aarch64/aarch64-protos.h (aarch64_movk_shift): Declare.
1509         * config/aarch64/aarch64.c (aarch64_movk_shift): New function.
1510         * config/aarch64/aarch64.md (aarch64_movk<mode>): New pattern.
1511
1512 2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>
1513
1514         PR rtl-optimization/87763
1515         * config/aarch64/aarch64.md (*ashiftsi_extvdi_bfiz): New pattern.
1516
1517 2020-02-06  Delia Burduv  <delia.burduv@arm.com>
1518
1519         * config/aarch64/aarch64-simd-builtins.def
1520         (bfmlaq): New built-in function.
1521         (bfmlalb): New built-in function.
1522         (bfmlalt): New built-in function.
1523         (bfmlalb_lane): New built-in function.
1524         (bfmlalt_lane): New built-in function.
1525         * config/aarch64/aarch64-simd.md
1526         (aarch64_bfmmlaqv4sf): New pattern.
1527         (aarch64_bfmlal<bt>v4sf): New pattern.
1528         (aarch64_bfmlal<bt>_lane<q>v4sf): New pattern.
1529         * config/aarch64/arm_neon.h (vbfmmlaq_f32): New intrinsic.
1530         (vbfmlalbq_f32): New intrinsic.
1531         (vbfmlaltq_f32): New intrinsic.
1532         (vbfmlalbq_lane_f32): New intrinsic.
1533         (vbfmlaltq_lane_f32): New intrinsic.
1534         (vbfmlalbq_laneq_f32): New intrinsic.
1535         (vbfmlaltq_laneq_f32): New intrinsic.
1536         * config/aarch64/iterators.md (BF_MLA): New int iterator.
1537         (bt): New int attribute.
1538
1539 2020-02-06  Uroš Bizjak  <ubizjak@gmail.com>
1540
1541         * config/i386/i386.md (*pushtf): Emit "#" instead of
1542         calling gcc_unreachable in insn output.
1543         (*pushxf): Ditto.
1544         (*pushdf): Ditto.
1545         (*pushsf_rex64): Ditto for alternatives other than 1.
1546         (*pushsf): Ditto for alternatives other than 1.
1547
1548 2020-02-06  Martin Liska  <mliska@suse.cz>
1549
1550         PR gcov-profile/91971
1551         PR gcov-profile/93466
1552         * coverage.c (coverage_init): Revert mangling of
1553         path into filename.  It can lead to huge filename length.
1554         Creation of subfolders seem more natural.
1555
1556 2020-02-06  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
1557
1558         PR target/93300
1559         * config/arm/arm.c (arm_block_arith_comp_libfuncs_for_mode): New.
1560         (arm_init_libfuncs): Add BFmode support to block spurious BF libfuncs.
1561         Use arm_block_arith_comp_libfuncs_for_mode for HFmode.
1562
1563 2020-02-06  Jakub Jelinek  <jakub@redhat.com>
1564
1565         PR target/93594
1566         * config/i386/predicates.md (avx_identity_operand): New predicate.
1567         * config/i386/sse.md (*avx_vec_concat<mode>_1): New
1568         define_insn_and_split.
1569
1570         PR libgomp/93515
1571         * omp-low.c (use_pointer_for_field): For nested constructs, also
1572         look for map clauses on target construct.
1573         (scan_omp_1_stmt) <case GIMPLE_OMP_TARGET>: Bump temporarily
1574         taskreg_nesting_level.
1575
1576         PR libgomp/93515
1577         * gimplify.c (gimplify_scan_omp_clauses) <do_notice>: If adding
1578         shared clause, call omp_notice_variable on outer context if any.
1579
1580 2020-02-05  Jason Merrill  <jason@redhat.com>
1581
1582         PR c++/92003
1583         * symtab.c (symtab_node::nonzero_address): A DECL_COMDAT decl has
1584         non-zero address even if weak and not yet defined.
1585
1586 2020-02-05  Martin Sebor  <msebor@redhat.com>
1587
1588         PR tree-optimization/92765
1589         * gimple-fold.c (get_range_strlen_tree): Handle MEM_REF and PARM_DECL.
1590         * tree-ssa-strlen.c (compute_string_length): Remove.
1591         (determine_min_objsize): Remove.
1592         (get_len_or_size): Add an argument.  Call get_range_strlen_dynamic.
1593         Avoid using type size as the upper bound on string length.
1594         (handle_builtin_string_cmp): Add an argument.  Adjust.
1595         (strlen_check_and_optimize_call): Pass additional argument to
1596         handle_builtin_string_cmp.
1597
1598 2020-02-05  Uroš Bizjak  <ubizjak@gmail.com>
1599
1600         * config/i386/i386.md (*pushdi2_rex64 peephole2): Remove.
1601         (*pushdi2_rex64 peephole2): Unconditionally split after
1602         epilogue_completed.
1603         (*ashl<mode>3_doubleword): Ditto.
1604         (*<shift_insn><mode>3_doubleword): Ditto.
1605
1606 2020-02-05  Michael Meissner  <meissner@linux.ibm.com>
1607
1608         PR target/93568
1609         * config/rs6000/rs6000.c (get_vector_offset): Fix
1610
1611 2020-02-05  Andrew Stubbs  <ams@codesourcery.com>
1612
1613         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Use / not space.
1614
1615 2020-02-05  David Malcolm  <dmalcolm@redhat.com>
1616
1617         * doc/analyzer.texi
1618         (Special Functions for Debugging the Analyzer): Update description
1619         of __analyzer_dump_exploded_nodes.
1620
1621 2020-02-05  Jakub Jelinek  <jakub@redhat.com>
1622
1623         PR target/92190
1624         * config/i386/i386-features.c (ix86_add_reg_usage_to_vzeroupper): Only
1625         include sets and not clobbers in the vzeroupper pattern.
1626         * config/i386/sse.md (*avx_vzeroupper): Require in insn condition that
1627         the parallel has 17 (64-bit) or 9 (32-bit) elts.
1628         (*avx_vzeroupper_1): New define_insn_and_split.
1629
1630         PR target/92190
1631         * recog.c (pass_split_after_reload::gate): For STACK_REGS targets,
1632         don't run when !optimize.
1633         (pass_split_before_regstack::gate): For STACK_REGS targets, run even
1634         when !optimize.
1635
1636 2020-02-05  Richard Biener  <rguenther@suse.de>
1637
1638         PR middle-end/90648
1639         * genmatch.c (dt_node::gen_kids_1): Emit number of argument
1640         checks before matching calls.
1641
1642 2020-02-05  Jakub Jelinek  <jakub@redhat.com>
1643
1644         * tree-ssa-alias.c (aliasing_matching_component_refs_p): Fix up
1645         function comment typo.
1646
1647         PR middle-end/93555
1648         * omp-simd-clone.c (expand_simd_clones): If simd_clone_mangle or
1649         simd_clone_create failed when i == 0, adjust clone->nargs by
1650         clone->inbranch.
1651
1652 2020-02-05  Martin Liska  <mliska@suse.cz>
1653
1654         PR c++/92717
1655         * doc/invoke.texi: Document that one should
1656         not combine ASLR and -fpch.
1657
1658 2020-02-04  Richard Biener  <rguenther@suse.de>
1659
1660         PR tree-optimization/93538
1661         * match.pd (addr EQ/NE ptr): Amend to handle &ptr->x EQ/NE ptr.
1662
1663 2020-02-04  Richard Biener  <rguenther@suse.de>
1664
1665         PR tree-optimization/91123
1666         * tree-ssa-sccvn.c (vn_walk_cb_data::finish): New method.
1667         (vn_walk_cb_data::last_vuse): New member.
1668         (vn_walk_cb_data::saved_operands): Likewsie.
1669         (vn_walk_cb_data::~vn_walk_cb_data): Release saved_operands.
1670         (vn_walk_cb_data::push_partial_def): Use finish.
1671         (vn_reference_lookup_2): Update last_vuse and use finish if
1672         we've saved operands.
1673         (vn_reference_lookup_3): Use finish and update calls to
1674         push_partial_defs everywhere.  When translating through
1675         memcpy or aggregate copies save off operands and alias-set.
1676         (eliminate_dom_walker::eliminate_stmt): Restore VN_WALKREWRITE
1677         operation for redundant store removal.
1678
1679 2020-02-04  Richard Biener  <rguenther@suse.de>
1680
1681         PR tree-optimization/92819
1682         * tree-ssa-forwprop.c (simplify_vector_constructor): Avoid
1683         generating more stmts than before.
1684
1685 2020-02-04  Martin Liska  <mliska@suse.cz>
1686
1687         * config/arm/arm.c (arm_gen_far_branch): Move the function
1688         outside of selftests.
1689
1690 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1691
1692         * config/rs6000/rs6000.c (adjust_vec_address_pcrel): New helper
1693         function to adjust PC-relative vector addresses.
1694         (rs6000_adjust_vec_address): Call adjust_vec_address_pcrel to
1695         handle vectors with PC-relative addresses.
1696
1697 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1698
1699         * config/rs6000/rs6000.c (reg_to_non_prefixed): Add forward
1700         reference.
1701         (hard_reg_and_mode_to_addr_mask): Delete.
1702         (rs6000_adjust_vec_address): If the original vector address
1703         was REG+REG or REG+OFFSET and the element is not zero, do the add
1704         of the elements in the original address before adding the offset
1705         for the vector element.  Use address_to_insn_form to validate the
1706         address using the register being loaded, rather than guessing
1707         whether the address is a DS-FORM or DQ-FORM address.
1708
1709 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1710
1711         * config/rs6000/rs6000.c (get_vector_offset): New helper function
1712         to calculate the offset in memory from the start of a vector of a
1713         particular element.  Add code to keep the element number in
1714         bounds if the element number is variable.
1715         (rs6000_adjust_vec_address): Move calculation of offset of the
1716         vector element to get_vector_offset.
1717         (rs6000_split_vec_extract_var): Do not do the initial AND of
1718         element here, move the code to get_vector_offset.
1719
1720 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1721
1722         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add some
1723         gcc_asserts.
1724
1725 2020-02-03  Segher Boessenkool  <segher@kernel.crashing.org>
1726
1727         * config/rs6000/constraints.md: Improve documentation.
1728
1729 2020-02-03  Richard Earnshaw  <rearnsha@arm.com>
1730
1731         PR target/93548
1732         * config/arm/t-arm: ($(srcdir)/config/arm/arm-tune.md)
1733         ($(srcdir)/config/arm/arm-tables.opt): Use move-if-change.
1734
1735 2020-02-03  Andrew Stubbs  <ams@codesourcery.com>
1736
1737         * config.gcc: Remove "carrizo" support.
1738         * config/gcn/gcn-opts.h (processor_type): Likewise.
1739         * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Likewise.
1740         * config/gcn/gcn.opt (gpu_type): Likewise.
1741         * config/gcn/t-omp-device: Likewise.
1742
1743 2020-02-03  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
1744
1745         PR target/91816
1746         * config/arm/arm-protos.h: New function arm_gen_far_branch prototype.
1747         * config/arm/arm.c (arm_gen_far_branch): New function
1748         arm_gen_far_branch.
1749         * config/arm/arm.md: Update b<cond> for Thumb2 range checks.
1750
1751 2020-02-03  Julian Brown  <julian@codesourcery.com>
1752             Tobias Burnus  <tobias@codesourcery.com>
1753
1754         * doc/invoke.texi: Update mention of OpenACC version to 2.6.
1755
1756 2020-02-03  Jakub Jelinek  <jakub@redhat.com>
1757
1758         PR target/93533
1759         * config/s390/s390.md (popcounthi2_z196): Fix up expander to emit
1760         valid RTL to sum up the lowest and second lowest bytes of the popcnt
1761         result.
1762
1763 2020-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1764
1765         PR rtl-optimization/91333
1766         * ira-color.c (struct allocno_color_data): Add member
1767         hard_reg_prefs.
1768         (init_allocno_threads): Set the member up.
1769         (bucket_allocno_compare_func): Add compare hard reg
1770         prefs.
1771
1772 2020-01-31  Sandra Loosemore  <sandra@codesourcery.com>
1773
1774         nios2: Support for GOT-relative DW_EH_PE_datarel encoding.
1775
1776         * configure.ac [nios2-*-*]: Check HAVE_AS_NIOS2_GOTOFF_RELOCATION.
1777         * config.in: Regenerated.
1778         * configure: Regenerated.
1779         * config/nios2/nios2.h (ASM_PREFERRED_EH_DATA_FORMAT): Fix handling
1780         for PIC when HAVE_AS_NIOS2_GOTOFF_RELOCATION.
1781         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1782
1783 2020-02-01  Andrew Burgess  <andrew.burgess@embecosm.com>
1784
1785         * configure: Regenerate.
1786
1787 2020-01-31  Vladimir Makarov  <vmakarov@redhat.com>
1788
1789         PR rtl-optimization/91333
1790         * ira-color.c (bucket_allocno_compare_func): Move conflict hard
1791         reg preferences comparison up.
1792
1793 2020-01-31  Richard Sandiford  <richard.sandiford@arm.com>
1794
1795         * config/aarch64/aarch64.h (TARGET_SVE_BF16): New macro.
1796         * config/aarch64/aarch64-sve-builtins-sve2.h (svcvtnt): Move to
1797         aarch64-sve-builtins-base.h.
1798         * config/aarch64/aarch64-sve-builtins-sve2.cc (svcvtnt): Move to
1799         aarch64-sve-builtins-base.cc.
1800         * config/aarch64/aarch64-sve-builtins-base.h (svbfdot, svbfdot_lane)
1801         (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1802         (svcvtnt): Declare.
1803         * config/aarch64/aarch64-sve-builtins-base.cc (svbfdot, svbfdot_lane)
1804         (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1805         (svcvtnt): New functions.
1806         * config/aarch64/aarch64-sve-builtins-base.def (svbfdot, svbfdot_lane)
1807         (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1808         (svcvtnt): New functions.
1809         (svcvt): Add a form that converts f32 to bf16.
1810         * config/aarch64/aarch64-sve-builtins-shapes.h (ternary_bfloat)
1811         (ternary_bfloat_lane, ternary_bfloat_lanex2, ternary_bfloat_opt_n):
1812         Declare.
1813         * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_element_type):
1814         Treat B as bfloat16_t.
1815         (ternary_bfloat_lane_base): New class.
1816         (ternary_bfloat_def): Likewise.
1817         (ternary_bfloat): New shape.
1818         (ternary_bfloat_lane_def): New class.
1819         (ternary_bfloat_lane): New shape.
1820         (ternary_bfloat_lanex2_def): New class.
1821         (ternary_bfloat_lanex2): New shape.
1822         (ternary_bfloat_opt_n_def): New class.
1823         (ternary_bfloat_opt_n): New shape.
1824         * config/aarch64/aarch64-sve-builtins.cc (TYPES_cvt_bfloat): New macro.
1825         * config/aarch64/aarch64-sve.md (@aarch64_sve_<sve_fp_op>vnx4sf)
1826         (@aarch64_sve_<sve_fp_op>_lanevnx4sf): New patterns.
1827         (@aarch64_sve_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>)
1828         (@cond_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>): Likewise.
1829         (*cond_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>): Likewise.
1830         (@aarch64_sve_cvtnt<VNx8BF_ONLY:mode>): Likewise.
1831         * config/aarch64/aarch64-sve2.md (@aarch64_sve2_cvtnt<mode>): Key
1832         the pattern off the narrow mode instead of the wider one.
1833         * config/aarch64/iterators.md (VNx8BF_ONLY): New mode iterator.
1834         (UNSPEC_BFMLALB, UNSPEC_BFMLALT, UNSPEC_BFMMLA): New unspecs.
1835         (sve_fp_op): Handle them.
1836         (SVE_BFLOAT_TERNARY_LONG): New int itertor.
1837         (SVE_BFLOAT_TERNARY_LONG_LANE): Likewise.
1838
1839 2020-01-31  Richard Sandiford  <richard.sandiford@arm.com>
1840
1841         * config/aarch64/arm_sve.h: Include arm_bf16.h.
1842         * config/aarch64/aarch64-modes.def (BF): Move definition before
1843         VECTOR_MODES.  Remove separate VECTOR_MODES for V4BF and V8BF.
1844         (SVE_MODES): Handle BF modes.
1845         * config/aarch64/aarch64.c (aarch64_classify_vector_mode): Handle
1846         BF modes.
1847         (aarch64_full_sve_mode): Likewise.
1848         * config/aarch64/iterators.md (SVE_STRUCT): Add VNx16BF, VNx24BF
1849         and VNx32BF.
1850         (SVE_FULL, SVE_FULL_HSD, SVE_ALL): Add VNx8BF.
1851         (Vetype, Vesize, Vctype, VEL, Vel, VEL_INT, V128, v128, vwcore)
1852         (V_INT_EQUIV, v_int_equiv, V_FP_EQUIV, v_fp_equiv, vector_count)
1853         (insn_length, VSINGLE, vsingle, VPRED, vpred, VDOUBLE): Handle the
1854         new SVE BF modes.
1855         * config/aarch64/aarch64-sve-builtins.h (TYPE_bfloat): New
1856         type_class_index.
1857         * config/aarch64/aarch64-sve-builtins.cc (TYPES_all_arith): New macro.
1858         (TYPES_all_data): Add bf16.
1859         (TYPES_reinterpret1, TYPES_reinterpret): Likewise.
1860         (register_tuple_type): Increase buffer size.
1861         * config/aarch64/aarch64-sve-builtins.def (svbfloat16_t): New type.
1862         (bf16): New type suffix.
1863         * config/aarch64/aarch64-sve-builtins-base.def (svabd, svadd, svaddv)
1864         (svcmpeq, svcmpge, svcmpgt, svcmple, svcmplt, svcmpne, svmad, svmax)
1865         (svmaxv, svmin, svminv, svmla, svmls, svmsb, svmul, svsub, svsubr):
1866         Change type from all_data to all_arith.
1867         * config/aarch64/aarch64-sve-builtins-sve2.def (svaddp, svmaxp)
1868         (svminp): Likewise.
1869
1870 2020-01-31  Dennis Zhang  <dennis.zhang@arm.com>
1871             Matthew Malcomson  <matthew.malcomson@arm.com>
1872             Richard Sandiford  <richard.sandiford@arm.com>
1873
1874         * doc/invoke.texi (f32mm): Document new AArch64 -march= extension.
1875         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Define
1876         __ARM_FEATURE_SVE_MATMUL_INT8, __ARM_FEATURE_SVE_MATMUL_FP32 and
1877         __ARM_FEATURE_SVE_MATMUL_FP64 as appropriate.  Don't define
1878         __ARM_FEATURE_MATMUL_FP64.
1879         * config/aarch64/aarch64-option-extensions.def (fp, simd, fp16)
1880         (sve): Add AARCH64_FL_F32MM to the list of extensions that should
1881         be disabled at the same time.
1882         (f32mm): New extension.
1883         * config/aarch64/aarch64.h (AARCH64_FL_F32MM): New macro.
1884         (AARCH64_FL_F64MM): Bump to the next bit up.
1885         (AARCH64_ISA_F32MM, TARGET_SVE_I8MM, TARGET_F32MM, TARGET_SVE_F32MM)
1886         (TARGET_SVE_F64MM): New macros.
1887         * config/aarch64/iterators.md (SVE_MATMULF): New mode iterator.
1888         (UNSPEC_FMMLA, UNSPEC_SMATMUL, UNSPEC_UMATMUL, UNSPEC_USMATMUL)
1889         (UNSPEC_TRN1Q, UNSPEC_TRN2Q, UNSPEC_UZP1Q, UNSPEC_UZP2Q, UNSPEC_ZIP1Q)
1890         (UNSPEC_ZIP2Q): New unspeccs.
1891         (DOTPROD_US_ONLY, PERMUTEQ, MATMUL, FMMLA): New int iterators.
1892         (optab, sur, perm_insn): Handle the new unspecs.
1893         (sve_fp_op): Handle UNSPEC_FMMLA.  Resort.
1894         * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): Use
1895         TARGET_SVE_F64MM instead of separate tests.
1896         (@aarch64_<DOTPROD_US_ONLY:sur>dot_prod<vsi2qi>): New pattern.
1897         (@aarch64_<DOTPROD_US_ONLY:sur>dot_prod_lane<vsi2qi>): Likewise.
1898         (@aarch64_sve_add_<MATMUL:optab><vsi2qi>): Likewise.
1899         (@aarch64_sve_<FMMLA:sve_fp_op><mode>): Likewise.
1900         (@aarch64_sve_<PERMUTEQ:optab><mode>): Likewise.
1901         * config/aarch64/aarch64-sve-builtins.cc (TYPES_s_float): New macro.
1902         (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): Use it.
1903         (TYPES_s_signed): New macro.
1904         (TYPES_s_integer): Use it.
1905         (TYPES_d_float): New macro.
1906         (TYPES_d_data): Use it.
1907         * config/aarch64/aarch64-sve-builtins-shapes.h (mmla): Declare.
1908         (ternary_intq_uintq_lane, ternary_intq_uintq_opt_n, ternary_uintq_intq)
1909         (ternary_uintq_intq_lane, ternary_uintq_intq_opt_n): Likewise.
1910         * config/aarch64/aarch64-sve-builtins-shapes.cc (mmla_def): New class.
1911         (svmmla): New shape.
1912         (ternary_resize2_opt_n_base): Add TYPE_CLASS2 and TYPE_CLASS3
1913         template parameters.
1914         (ternary_resize2_lane_base): Likewise.
1915         (ternary_resize2_base): New class.
1916         (ternary_qq_lane_base): Likewise.
1917         (ternary_intq_uintq_lane_def): Likewise.
1918         (ternary_intq_uintq_lane): New shape.
1919         (ternary_intq_uintq_opt_n_def): New class
1920         (ternary_intq_uintq_opt_n): New shape.
1921         (ternary_qq_lane_def): Inherit from ternary_qq_lane_base.
1922         (ternary_uintq_intq_def): New class.
1923         (ternary_uintq_intq): New shape.
1924         (ternary_uintq_intq_lane_def): New class.
1925         (ternary_uintq_intq_lane): New shape.
1926         (ternary_uintq_intq_opt_n_def): New class.
1927         (ternary_uintq_intq_opt_n): New shape.
1928         * config/aarch64/aarch64-sve-builtins-base.h (svmmla, svsudot)
1929         (svsudot_lane, svtrn1q, svtrn2q, svusdot, svusdot_lane, svusmmla)
1930         (svuzp1q, svuzp2q, svzip1q, svzip2q): Declare.
1931         * config/aarch64/aarch64-sve-builtins-base.cc (svdot_lane_impl):
1932         Generalize to...
1933         (svdotprod_lane_impl): ...this new class.
1934         (svmmla_impl, svusdot_impl): New classes.
1935         (svdot_lane): Update to use svdotprod_lane_impl.
1936         (svmmla, svsudot, svsudot_lane, svtrn1q, svtrn2q, svusdot)
1937         (svusdot_lane, svusmmla, svuzp1q, svuzp2q, svzip1q, svzip2q): New
1938         functions.
1939         * config/aarch64/aarch64-sve-builtins-base.def (svmmla): New base
1940         function, with no types defined.
1941         (svmmla, svusmmla, svsudot, svsudot_lane, svusdot, svusdot_lane): New
1942         AARCH64_FL_I8MM functions.
1943         (svmmla): New AARCH64_FL_F32MM function.
1944         (svld1ro): Depend only on AARCH64_FL_F64MM, not on AARCH64_FL_V8_6.
1945         (svmmla, svtrn1q, svtrn2q, svuz1q, svuz2q, svzip1q, svzip2q): New
1946         AARCH64_FL_F64MM function.
1947         (REQUIRED_EXTENSIONS):
1948
1949 2020-01-31  Andrew Stubbs  <ams@codesourcery.com>
1950
1951         * config/gcn/gcn-valu.md (addv64di3_exec): Allow one '0' in each
1952         alternative only.
1953
1954 2020-01-31  Uroš Bizjak  <ubizjak@gmail.com>
1955
1956         * config/i386/i386.md (*movoi_internal_avx): Do not check for
1957         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.  Remove MODE_V8SF handling.
1958         (*movti_internal): Do not check for
1959         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1960         (*movtf_internal): Move check for TARGET_SSE2 and size optimization
1961         just after check for TARGET_AVX.
1962         (*movdf_internal): Ditto.
1963         * config/i386/mmx.md (*mov<mode>_internal): Do not check for
1964         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1965         * config/i386/sse.md (mov<mode>_internal): Only check
1966         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL with V2DFmode.  Move check
1967         for TARGET_SSE2 and size optimization just after check for TARGET_AVX.
1968         (<sse>_andnot<mode>3<mask_name>): Move check for
1969         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL after check for TARGET_AVX.
1970         (<code><mode>3<mask_name>): Ditto.
1971         (*andnot<mode>3): Ditto.
1972         (*andnottf3): Ditto.
1973         (*<code><mode>3): Ditto.
1974         (*<code>tf3): Ditto.
1975         (*andnot<VI:mode>3): Remove
1976         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling.
1977         (<mask_codefor><code><VI48_AVX_AVX512F:mode>3<mask_name>): Ditto.
1978         (*<code><VI12_AVX_AVX512F:mode>3): Ditto.
1979         (sse4_1_blendv<ssemodesuffix>): Ditto.
1980         * config/i386/x86-tune.def (X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL):
1981         Explain that tune applies to 128bit instructions only.
1982
1983 2020-01-31  Kwok Cheung Yeung  <kcy@codesourcery.com>
1984
1985         * config/gcn/mkoffload.c (process_asm): Add sgpr_count and vgpr_count
1986         to definition of hsa_kernel_description.  Parse assembly to find SGPR
1987         and VGPR count of kernel and store in hsa_kernel_description.
1988
1989 2020-01-31  Tamar Christina  <tamar.christina@arm.com>
1990
1991         PR rtl-optimization/91838
1992         * simplify-rtx.c (simplify_binary_operation_1): Update LSHIFTRT case
1993         to truncate if allowed or reject combination.
1994
1995 2020-01-31  Andrew Stubbs  <ams@codesourcery.com>
1996
1997         * tree-ssa-loop-ivopts.c (get_iv): Use sizetype for zero-step.
1998         (find_inv_vars_cb): Likewise.
1999
2000 2020-01-31  David Malcolm  <dmalcolm@redhat.com>
2001
2002         * calls.c (special_function_p): Split out the check for DECL_NAME
2003         being non-NULL and fndecl being extern at file scope into a
2004         new maybe_special_function_p and call it.  Drop check for fndecl
2005         being non-NULL that was after a usage of DECL_NAME (fndecl).
2006         * tree.h (maybe_special_function_p): New inline function.
2007
2008 2020-01-30  Andrew Stubbs  <ams@codesourcery.com>
2009
2010         * config/gcn/gcn-valu.md (gather<mode>_exec): Move contents ...
2011         (mask_gather_load<mode>): ... here, and zero-initialize the
2012         destination.
2013         (maskload<mode>di): Zero-initialize the destination.
2014         * config/gcn/gcn.c:
2015
2016 2020-01-30  David Malcolm  <dmalcolm@redhat.com>
2017
2018         PR analyzer/93356
2019         * doc/analyzer.texi (Limitations): Note that constraints on
2020         floating-point values are currently ignored.
2021
2022 2020-01-30  Jakub Jelinek  <jakub@redhat.com>
2023
2024         PR lto/93384
2025         * symtab.c (symtab_node::noninterposable_alias): If localalias
2026         already exists, but is not usable, append numbers after it until
2027         a unique name is found.  Formatting fix.
2028
2029         PR middle-end/93505
2030         * combine.c (simplify_comparison) <case ROTATE>: Punt on out of range
2031         rotate counts.
2032
2033 2020-01-30  Andrew Stubbs  <ams@codesourcery.com>
2034
2035         * config/gcn/gcn.c (print_operand): Handle LTGT.
2036         * config/gcn/predicates.md (gcn_fp_compare_operator): Allow ltgt.
2037
2038 2020-01-30  Richard Biener  <rguenther@suse.de>
2039
2040         * tree-pretty-print.c (dump_generic_node): Wrap VECTOR_CST
2041         and CONSTRUCTOR in _Literal (type) with TDF_GIMPLE.
2042
2043 2020-01-30  John David Anglin  <danglin@gcc.gnu.org>
2044
2045         * config/pa/pa.c (pa_elf_select_rtx_section): Place function pointers
2046         without a DECL in .data.rel.ro.local.
2047
2048 2020-01-30  Jakub Jelinek  <jakub@redhat.com>
2049
2050         PR target/93494
2051         * config/arm/arm.md (uaddvdi4): Actually emit what gen_uaddvsi4
2052         returned.
2053
2054         PR target/91824
2055         * config/i386/sse.md
2056         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext): Renamed to ...
2057         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext): ... this.  Use
2058         any_extend code iterator instead of always zero_extend.
2059         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_lt): Renamed to ...
2060         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext_lt): ... this.
2061         Use any_extend code iterator instead of always zero_extend.
2062         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_shift): Renamed to ...
2063         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext_shift): ... this.
2064         Use any_extend code iterator instead of always zero_extend.
2065         (*sse2_pmovmskb_ext): New define_insn.
2066         (*sse2_pmovmskb_ext_lt): New define_insn_and_split.
2067
2068         PR target/91824
2069         * config/i386/i386.md (*popcountsi2_zext): New define_insn_and_split.
2070         (*popcountsi2_zext_falsedep): New define_insn.
2071
2072 2020-01-30  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2073
2074         * config.in: Regenerated.
2075         * configure: Regenerated.
2076
2077 2020-01-29  Tobias Burnus  <tobias@codesourcery.com>
2078
2079         PR bootstrap/93409
2080         * config/gcn/gcn-hsa.h (ASM_SPEC): Add -mattr=-code-object-v3 as
2081         LLVM's assembler changed the default in version 9.
2082
2083 2020-01-24  Jeff Law  <law@redhat.com>
2084
2085         PR tree-optimization/89689
2086         * builtins.def (BUILT_IN_OBJECT_SIZE): Make it const rather than pure.
2087
2088 2020-01-29  Richard Sandiford  <richard.sandiford@arm.com>
2089
2090         Revert:
2091
2092         2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
2093
2094         PR rtl-optimization/87763
2095         * simplify-rtx.c (simplify_truncation): Extend sign/zero_extract
2096         simplification to handle subregs as well as bare regs.
2097         * config/i386/i386.md (*testqi_ext_3): Match QI extracts too.
2098
2099 2020-01-29  Joel Hutton  <Joel.Hutton@arm.com>
2100
2101         PR target/93221
2102         * ira.c (ira): Revert use of simplified LRA algorithm.
2103
2104 2020-01-29  Martin Jambor  <mjambor@suse.cz>
2105
2106         PR tree-optimization/92706
2107         * tree-sra.c (struct access): Fields first_link, last_link,
2108         next_queued and grp_queued renamed to first_rhs_link, last_rhs_link,
2109         next_rhs_queued and grp_rhs_queued respectively, new fields
2110         first_lhs_link, last_lhs_link, next_lhs_queued and grp_lhs_queued.
2111         (struct assign_link): Field next renamed to next_rhs, new field
2112         next_lhs.  Updated comment.
2113         (work_queue_head): Renamed to rhs_work_queue_head.
2114         (lhs_work_queue_head): New variable.
2115         (add_link_to_lhs): New function.
2116         (relink_to_new_repr): Also relink LHS lists.
2117         (add_access_to_work_queue): Renamed to add_access_to_rhs_work_queue.
2118         (add_access_to_lhs_work_queue): New function.
2119         (pop_access_from_work_queue): Renamed to
2120         pop_access_from_rhs_work_queue.
2121         (pop_access_from_lhs_work_queue): New function.
2122         (build_accesses_from_assign): Also add links to LHS lists and to LHS
2123         work_queue.
2124         (child_would_conflict_in_lacc): Renamed to
2125         child_would_conflict_in_acc.  Adjusted parameter names.
2126         (create_artificial_child_access): New parameter set_grp_read, use it.
2127         (subtree_mark_written_and_enqueue): Renamed to
2128         subtree_mark_written_and_rhs_enqueue.
2129         (propagate_subaccesses_across_link): Renamed to
2130         propagate_subaccesses_from_rhs.
2131         (propagate_subaccesses_from_lhs): New function.
2132         (propagate_all_subaccesses): Also propagate subaccesses from LHSs to
2133         RHSs.
2134
2135 2020-01-29  Martin Jambor  <mjambor@suse.cz>
2136
2137         PR tree-optimization/92706
2138         * tree-sra.c (struct access): Adjust comment of
2139         grp_total_scalarization.
2140         (find_access_in_subtree): Look for single children spanning an entire
2141         access.
2142         (scalarizable_type_p): Allow register accesses, adjust callers.
2143         (completely_scalarize): Remove function.
2144         (scalarize_elem): Likewise.
2145         (create_total_scalarization_access): Likewise.
2146         (sort_and_splice_var_accesses): Do not track total scalarization
2147         flags.
2148         (analyze_access_subtree): New parameter totally, adjust to new meaning
2149         of grp_total_scalarization.
2150         (analyze_access_trees): Pass new parameter to analyze_access_subtree.
2151         (can_totally_scalarize_forest_p): New function.
2152         (create_total_scalarization_access): Likewise.
2153         (create_total_access_and_reshape): Likewise.
2154         (total_should_skip_creating_access): Likewise.
2155         (totally_scalarize_subtree): Likewise.
2156         (analyze_all_variable_accesses): Perform total scalarization after
2157         subaccess propagation using the new functions above.
2158         (initialize_constant_pool_replacements): Output initializers by
2159         traversing the access tree.
2160
2161 2020-01-29  Martin Jambor  <mjambor@suse.cz>
2162
2163         * tree-sra.c (verify_sra_access_forest): New function.
2164         (verify_all_sra_access_forests): Likewise.
2165         (create_artificial_child_access): Set parent.
2166         (analyze_all_variable_accesses): Call the verifier.
2167
2168 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
2169
2170         * cgraph.c (cgraph_edge::resolve_speculation): Only lookup direct edge
2171         if called on indirect edge.
2172         (cgraph_edge::redirect_call_stmt_to_callee): Lookup indirect edge of
2173         speculative call if needed.
2174
2175 2020-01-29  Richard Biener  <rguenther@suse.de>
2176
2177         PR tree-optimization/93428
2178         * tree-vect-slp.c (vect_build_slp_tree_2): Compute the load
2179         permutation when the load node is created.
2180         (vect_analyze_slp_instance): Re-use it here.
2181
2182 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
2183
2184         * ipa-prop.c (update_indirect_edges_after_inlining): Fix warning.
2185
2186 2020-01-28  Vladimir Makarov  <vmakarov@redhat.com>
2187
2188         PR rtl-optimization/93272
2189         * ira-lives.c (process_out_of_region_eh_regs): New function.
2190         (process_bb_node_lives): Call it.
2191
2192 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
2193
2194         * coverage.c (read_counts_file): Make error message lowercase.
2195
2196 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
2197
2198         * profile-count.c (profile_quality_display_names): Fix ordering.
2199
2200 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
2201
2202         PR lto/93318
2203         * cgraph.c (cgraph_add_edge_to_call_site_hash): Update call site
2204         hash only when edge is first within the sequence.
2205         (cgraph_edge::set_call_stmt): Update handling of speculative calls.
2206         (symbol_table::create_edge): Do not set target_prob.
2207         (cgraph_edge::remove_caller): Watch for speculative calls when updating
2208         the call site hash.
2209         (cgraph_edge::make_speculative): Drop target_prob parameter.
2210         (cgraph_edge::speculative_call_info): Remove.
2211         (cgraph_edge::first_speculative_call_target): New member function.
2212         (update_call_stmt_hash_for_removing_direct_edge): New function.
2213         (cgraph_edge::resolve_speculation): Rewrite to new API.
2214         (cgraph_edge::speculative_call_for_target): New member function.
2215         (cgraph_edge::make_direct): Rewrite to new API; fix handling of
2216         multiple speculation targets.
2217         (cgraph_edge::redirect_call_stmt_to_callee): Likewise; fix updating
2218         of profile.
2219         (verify_speculative_call): Verify that targets form an interval.
2220         * cgraph.h (cgraph_edge::speculative_call_info): Remove.
2221         (cgraph_edge::first_speculative_call_target): New member function.
2222         (cgraph_edge::next_speculative_call_target): New member function.
2223         (cgraph_edge::speculative_call_target_ref): New member function.
2224         (cgraph_edge;:speculative_call_indirect_edge): New member funtion.
2225         (cgraph_edge): Remove target_prob.
2226         * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
2227         Fix handling of speculative calls.
2228         * ipa-devirt.c (ipa_devirt): Fix handling of speculative cals.
2229         * ipa-fnsummary.c (analyze_function_body): Likewise.
2230         * ipa-inline.c (speculation_useful_p): Use new speculative call API.
2231         * ipa-profile.c (dump_histogram): Fix formating.
2232         (ipa_profile_generate_summary): Watch for overflows.
2233         (ipa_profile): Do not require probablity to be 1/2; update to new API.
2234         * ipa-prop.c (ipa_make_edge_direct_to_target): Update to new API.
2235         (update_indirect_edges_after_inlining): Update to new API.
2236         * ipa-utils.c (ipa_merge_profiles): Rewrite merging of speculative call
2237         profiles.
2238         * profile-count.h: (profile_probability::adjusted): New.
2239         * tree-inline.c (copy_bb): Update to new speculative call API; fix
2240         updating of profile.
2241         * value-prof.c (gimple_ic_transform): Rename to ...
2242         (dump_ic_profile): ... this one; update dumping.
2243         (stream_in_histogram_value): Fix formating.
2244         (gimple_value_profile_transformations): Update.
2245
2246 2020-01-28  H.J. Lu  <hongjiu.lu@intel.com>
2247
2248         PR target/91461
2249         * config/i386/i386.md (*movoi_internal_avx): Remove
2250         TARGET_SSE_TYPELESS_STORES check.
2251         (*movti_internal): Prefer TARGET_AVX over
2252         TARGET_SSE_TYPELESS_STORES.
2253         (*movtf_internal): Likewise.
2254         * config/i386/sse.md (mov<mode>_internal): Prefer TARGET_AVX over
2255         TARGET_SSE_TYPELESS_STORES.  Remove "<MODE_SIZE> == 16" check
2256         from TARGET_SSE_TYPELESS_STORES.
2257
2258 2020-01-28  David Malcolm  <dmalcolm@redhat.com>
2259
2260         * diagnostic-core.h (warning_at): Rename overload to...
2261         (warning_meta): ...this.
2262         (emit_diagnostic_valist): Delete decl of overload taking
2263         diagnostic_metadata.
2264         * diagnostic.c (emit_diagnostic_valist): Likewise for defn.
2265         (warning_at): Rename overload taking diagnostic_metadata to...
2266         (warning_meta): ...this.
2267
2268 2020-01-28  Richard Biener  <rguenther@suse.de>
2269
2270         PR tree-optimization/93439
2271         * tree-parloops.c (create_loop_fn): Move clique bookkeeping...
2272         * tree-cfg.c (move_sese_region_to_fn): ... here.
2273         (verify_types_in_gimple_reference): Verify used cliques are
2274         tracked.
2275
2276 2020-01-28  H.J. Lu  <hongjiu.lu@intel.com>
2277
2278         PR target/91399
2279         * config/i386/i386-options.c (set_ix86_tune_features): Add an
2280         argument of a pointer to struct gcc_options and pass it to
2281         parse_mtune_ctrl_str.
2282         (ix86_function_specific_restore): Pass opts to
2283         set_ix86_tune_features.
2284         (ix86_option_override_internal): Likewise.
2285         (parse_mtune_ctrl_str): Add an argument of a pointer to struct
2286         gcc_options and use it for x_ix86_tune_ctrl_string.
2287
2288 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
2289
2290         PR rtl-optimization/87763
2291         * simplify-rtx.c (simplify_truncation): Extend sign/zero_extract
2292         simplification to handle subregs as well as bare regs.
2293         * config/i386/i386.md (*testqi_ext_3): Match QI extracts too.
2294
2295 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
2296
2297         * tree-vect-loop.c (vectorizable_reduction): Fail gracefully
2298         for reduction chains that (now) include a call.
2299
2300 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
2301
2302         PR tree-optimization/92822
2303         * tree-ssa-forwprop.c (simplify_vector_constructor): When filling
2304         out the don't-care elements of a vector whose significant elements
2305         are duplicates, make the don't-care elements duplicates too.
2306
2307 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
2308
2309         PR tree-optimization/93434
2310         * tree-predcom.c (split_data_refs_to_components): Record which
2311         components have had aliasing loads removed.  Prevent store-store
2312         commoning for all such components.
2313
2314 2020-01-28  Jakub Jelinek  <jakub@redhat.com>
2315
2316         PR target/93418
2317         * config/i386/i386.c (ix86_fold_builtin) <do_shift>: If mask is not
2318         -1 or is_vshift is true, use new_vector with number of elts npatterns
2319         rather than new_unary_operation.
2320
2321         PR tree-optimization/93454
2322         * gimple-fold.c (fold_array_ctor_reference): Perform
2323         elt_size.to_uhwi () just once, instead of calling it in every
2324         iteration.  Punt if that value is above size of the temporary
2325         buffer.  Decrease third native_encode_expr argument when
2326         bufoff + elt_sz is above size of buf.
2327
2328 2020-01-27  Joseph Myers  <joseph@codesourcery.com>
2329
2330         * config/mips/mips.c (mips_declare_object_name)
2331         [USE_GNU_UNIQUE_OBJECT]: Support use of gnu_unique_object.
2332
2333 2020-01-27  Martin Liska  <mliska@suse.cz>
2334
2335         PR gcov-profile/93403
2336         * tree-profile.c (gimple_init_gcov_profiler): Generate
2337         both __gcov_indirect_call_profiler_v4 and
2338         __gcov_indirect_call_profiler_v4_atomic.
2339
2340 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2341
2342         PR target/92822
2343         * config/aarch64/aarch64-simd.md (aarch64_get_half<mode>): New
2344         expander.
2345         (@aarch64_split_simd_mov<mode>): Use it.
2346         (aarch64_simd_mov_from_<mode>low): Add a GPR alternative.
2347         Leave the vec_extract patterns to handle 2-element vectors.
2348         (aarch64_simd_mov_from_<mode>high): Likewise.
2349         (vec_extract<VQMOV_NO2E:mode><Vhalf>): New expander.
2350         (vec_extractv2dfv1df): Likewise.
2351
2352 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2353
2354         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Match
2355         jump conditions for *compare_condjump<GPI:mode>.
2356
2357 2020-01-27  David Malcolm  <dmalcolm@redhat.com>
2358
2359         PR analyzer/93276
2360         * digraph.cc (test_edge::test_edge): Specify template for base
2361         class initializer.
2362
2363 2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
2364
2365         * config/arc/arc.c (arc_rtx_costs): Update mul64 cost.
2366
2367 2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
2368
2369         * config/arc/arc-protos.h (gen_mlo): Remove.
2370         (gen_mhi): Likewise.
2371         * config/arc/arc.c (AUX_MULHI): Define.
2372         (arc_must_save_reister): Special handling for r58/59.
2373         (arc_compute_frame_size): Consider mlo/mhi registers.
2374         (arc_save_callee_saves): Emit fp/sp move only when emit_move
2375         paramter is true.
2376         (arc_conditional_register_usage): Remove TARGET_BIG_ENDIAN from
2377         mlo/mhi name selection.
2378         (arc_restore_callee_saves): Don't early restore blink when ISR.
2379         (arc_expand_prologue): Add mlo/mhi saving.
2380         (arc_expand_epilogue): Add mlo/mhi restoring.
2381         (gen_mlo): Remove.
2382         (gen_mhi): Remove.
2383         * config/arc/arc.h (DBX_REGISTER_NUMBER): Correct register
2384         numbering when MUL64 option is used.
2385         (DWARF2_FRAME_REG_OUT): Define.
2386         * config/arc/arc.md (arc600_stall): New pattern.
2387         (VUNSPEC_ARC_ARC600_STALL): Define.
2388         (mulsi64): Use correct mlo/mhi registers.
2389         (mulsi_600): Clean it up.
2390         * config/arc/predicates.md (mlo_operand): Remove any dependency on
2391         TARGET_BIG_ENDIAN.
2392         (mhi_operand): Likewise.
2393
2394 2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
2395             Petro Karashchenko  <petro.karashchenko@ring.com>
2396
2397         * config/arc/arc.c (arc_is_uncached_mem_p): Check struct
2398         attributes if needed.
2399         (prepare_move_operands): Generate special unspec instruction for
2400         direct access.
2401         (arc_isuncached_mem_p): Propagate uncached attribute to each
2402         structure member.
2403         * config/arc/arc.md (VUNSPEC_ARC_LDDI): Define.
2404         (VUNSPEC_ARC_STDI): Likewise.
2405         (ALLI): New mode iterator.
2406         (mALLI): New mode attribute.
2407         (lddi): New instruction pattern.
2408         (stdi): Likewise.
2409         (stdidi_split): Split instruction for architectures which are not
2410         supporting ll64 option.
2411         (lddidi_split): Likewise.
2412
2413 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2414
2415         PR rtl-optimization/92989
2416         * lra-lives.c (process_bb_lives): Update the live-in set before
2417         processing additional clobbers.
2418
2419 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2420
2421         PR rtl-optimization/93170
2422         * cselib.c (cselib_invalidate_regno_val): New function, split out
2423         from...
2424         (cselib_invalidate_regno): ...here.
2425         (cselib_invalidated_by_call_p): New function.
2426         (cselib_process_insn): Iterate over all the hard-register entries in
2427         REG_VALUES and invalidate any that cross call-clobbered registers.
2428
2429 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2430
2431         * dojump.c (split_comparison): Use HONOR_NANS rather than
2432         HONOR_SNANS when splitting LTGT.
2433
2434 2020-01-27  Martin Liska  <mliska@suse.cz>
2435
2436         PR driver/91220
2437         * opts.c (print_filtered_help): Exclude language-specific
2438         options from --help=common unless enabled in all FEs.
2439
2440 2020-01-27  Martin Liska  <mliska@suse.cz>
2441
2442         * opts.c (print_help): Exclude params from
2443         all except --help=param.
2444
2445 2020-01-27  Martin Liska  <mliska@suse.cz>
2446
2447         PR target/93274
2448         * config/i386/i386-features.c (make_resolver_func):
2449         Align the code with ppc64 target implementation.
2450         Do not generate a unique name for resolver function.
2451
2452 2020-01-27  Richard Biener  <rguenther@suse.de>
2453
2454         PR tree-optimization/93397
2455         * tree-vect-slp.c (vect_analyze_slp_instance): Delay
2456         converted reduction chain SLP graph adjustment.
2457
2458 2020-01-26  Marek Polacek  <polacek@redhat.com>
2459
2460         PR sanitizer/93436
2461         * sanopt.c (sanitize_rewrite_addressable_params): Avoid crash on
2462         null DECL_NAME.
2463
2464 2020-01-26  Jason Merrill  <jason@redhat.com>
2465
2466         PR c++/92601
2467         * tree.c (verify_type_variant): Only verify TYPE_NEEDS_CONSTRUCTING
2468         of complete types.
2469
2470 2020-01-26  Darius Galis  <darius.galis@cyberthorstudios.com>
2471
2472         * config/rx/rx.md (setmemsi): Added rx_allow_string_insns constraint
2473         (rx_setmem): Likewise.
2474
2475 2020-01-26  Jakub Jelinek  <jakub@redhat.com>
2476
2477         PR target/93412
2478         * config/i386/i386.md (*addv<dwi>4_doubleword, *subv<dwi>4_doubleword):
2479         Use nonimmediate_operand instead of x86_64_hilo_general_operand and
2480         drop <di> from constraint of last operand.
2481
2482         PR target/93430
2483         * config/i386/sse.md (*avx_vperm_broadcast_<mode>): Disallow for
2484         TARGET_AVX2 and V4DFmode not in the split condition, but in the
2485         pattern condition, though allow { 0, 0, 0, 0 } broadcast always.
2486
2487 2020-01-25  Feng Xue  <fxue@os.amperecomputing.com>
2488
2489         PR ipa/93166
2490         * ipa-cp.c (get_info_about_necessary_edges): Remove value
2491         check assertion.
2492
2493 2020-01-24  Jeff Law  <law@redhat.com>
2494
2495         PR tree-optimization/92788
2496         * tree-ssa-threadedge.c (thread_across_edge): Check EDGE_COMPLEX
2497         not EDGE_ABNORMAL.
2498
2499 2020-01-24  Jakub Jelinek  <jakub@redhat.com>
2500
2501         PR target/93395
2502         * config/i386/sse.md (*avx_vperm_broadcast_v4sf,
2503         *avx_vperm_broadcast_<mode>,
2504         <sse2_avx_avx512f>_vpermil<mode><mask_name>,
2505         *<sse2_avx_avx512f>_vpermilp<mode><mask_name>):
2506         Move before avx2_perm<mode>/avx512f_perm<mode>.
2507
2508         PR target/93376
2509         * simplify-rtx.c (simplify_const_unary_operation,
2510         simplify_const_binary_operation): Punt for mode precision above
2511         MAX_BITSIZE_MODE_ANY_INT.
2512
2513 2020-01-24  Andrew Pinski  <apinski@marvell.com>
2514
2515         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Change
2516         alu.shift_reg to 0.
2517
2518 2020-01-24  Jeff Law  <law@redhat.com>
2519
2520         PR target/13721
2521         * config/h8300/h8300.c (h8300_print_operand): Only call byte_reg
2522         for REGs.  Call output_operand_lossage to get more reasonable
2523         diagnostics.
2524
2525 2020-01-24  Andrew Stubbs  <ams@codesourcery.com>
2526
2527         * config/gcn/gcn-valu.md (vec_cmp<mode>di): Use
2528         gcn_fp_compare_operator.
2529         (vec_cmpu<mode>di): Use gcn_compare_operator.
2530         (vec_cmp<u>v64qidi): Use gcn_compare_operator.
2531         (vec_cmp<mode>di_exec): Use gcn_fp_compare_operator.
2532         (vec_cmpu<mode>di_exec): Use gcn_compare_operator.
2533         (vec_cmp<u>v64qidi_exec): Use gcn_compare_operator.
2534         (vec_cmp<mode>di_dup): Use gcn_fp_compare_operator.
2535         (vec_cmp<mode>di_dup_exec): Use gcn_fp_compare_operator.
2536         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): Use
2537         gcn_fp_compare_operator.
2538         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): Use
2539         gcn_fp_compare_operator.
2540         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): Use
2541         gcn_fp_compare_operator.
2542         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): Use
2543         gcn_fp_compare_operator.
2544
2545 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
2546
2547         * doc/install.texi (Cross-Compiler-Specific Options): Document
2548         `--with-toolexeclibdir' option.
2549
2550 2020-01-24  Hans-Peter Nilsson  <hp@axis.com>
2551
2552         * target.def (flags_regnum): Also mention effect on delay slot filling.
2553         * doc/tm.texi: Regenerate.
2554
2555 2020-01-23  Jeff Law  <law@redhat.com>
2556
2557         PR translation/90162
2558         * config/h8300/h8300.c (h8300_option_override): Fix diagnostic text.
2559
2560 2020-01-23  Mikael Tillenius  <mti-1@tillenius.com>
2561
2562         PR target/92269
2563         * config/h8300/h8300.h (FUNCTION_PROFILER): Fix emission of
2564         profiling label
2565
2566 2020-01-23  Jakub Jelinek  <jakub@redhat.com>
2567
2568         PR rtl-optimization/93402
2569         * postreload.c (reload_combine_recognize_pattern): Don't try to adjust
2570         USE insns.
2571
2572 2020-01-23  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2573
2574         * config.in: Regenerated.
2575         * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to 1
2576         for TARGET_LIBC_GNUSTACK.
2577         * configure: Regenerated.
2578         * configure.ac: Define TARGET_LIBC_GNUSTACK if glibc version is
2579         found to be 2.31 or greater.
2580
2581 2020-01-23  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2582
2583         * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to
2584         TARGET_SOFT_FLOAT.
2585         * config/mips/mips.c (TARGET_ASM_FILE_END): Define to ...
2586         (mips_asm_file_end): New function. Delegate to
2587         file_end_indicate_exec_stack if NEED_INDICATE_EXEC_STACK is true.
2588         * config/mips/mips.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2589
2590 2020-01-23  Jakub Jelinek  <jakub@redhat.com>
2591
2592         PR target/93376
2593         * config/i386/i386-modes.def (POImode): New mode.
2594         (MAX_BITSIZE_MODE_ANY_INT): Change from 128 to 160.
2595         * config/i386/i386.md (DPWI): New mode attribute.
2596         (addv<mode>4, subv<mode>4): Use <DPWI> instead of <DWI>.
2597         (QWI): Rename to...
2598         (QPWI): ... this.  Use POI instead of OI for TImode.
2599         (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1,
2600         *subv<dwi>4_doubleword, *subv<dwi>4_doubleword_1): Use <QPWI>
2601         instead of <QWI>.
2602
2603 2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>
2604
2605         PR target/93341
2606         * config/aarch64/aarch64.md (UNSPEC_SPECULATION_TRACKER_REV): New
2607         unspec.
2608         (speculation_tracker_rev): New pattern.
2609         * config/aarch64/aarch64-speculation.cc (aarch64_do_track_speculation):
2610         Use speculation_tracker_rev to track the inverse condition.
2611
2612 2020-01-23  Richard Biener  <rguenther@suse.de>
2613
2614         PR tree-optimization/93381
2615         * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Take
2616         alias-set of the def as argument and record the first one.
2617         (vn_walk_cb_data::first_set): New member.
2618         (vn_reference_lookup_3): Pass the alias-set of the current def
2619         to push_partial_def.  Fix alias-set used in the aggregate copy
2620         case.
2621         (vn_reference_lookup): Consistently set *last_vuse_ptr.
2622         * real.c (clear_significand_below): Fix out-of-bound access.
2623
2624 2020-01-23  Jakub Jelinek  <jakub@redhat.com>
2625
2626         PR target/93346
2627         * config/i386/i386.md (*bmi2_bzhi_<mode>3_2, *bmi2_bzhi_<mode>3_3):
2628         New define_insn patterns.
2629
2630 2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>
2631
2632         * doc/sourcebuild.texi (check-function-bodies): Add an
2633         optional target/xfail selector.
2634
2635 2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>
2636
2637         PR rtl-optimization/93124
2638         * auto-inc-dec.c (merge_in_block): Don't add auto inc/decs to
2639         bare USE and CLOBBER insns.
2640
2641 2020-01-22  Andrew Pinski  <apinski@marvell.com>
2642
2643         * config/arc/arc.c (output_short_suffix): Check insn for nullness.
2644
2645 2020-01-22  David Malcolm  <dmalcolm@redhat.com>
2646
2647         PR analyzer/93307
2648         * gdbinit.in (break-on-saved-diagnostic): Update for move of
2649         diagnostic_manager into "ana" namespace.
2650         * selftest-run-tests.c (selftest::run_tests): Update for move of
2651         selftest::run_analyzer_selftests to
2652         ana::selftest::run_analyzer_selftests.
2653
2654 2020-01-22  Richard Sandiford  <richard.sandiford@arm.com>
2655
2656         * cfgexpand.c (union_stack_vars): Update the size.
2657
2658 2020-01-22  Richard Biener  <rguenther@suse.de>
2659
2660         PR tree-optimization/93381
2661         * tree-ssa-structalias.c (find_func_aliases): Assume offsetting
2662         throughout, handle all conversions the same.
2663
2664 2020-01-22  Jakub Jelinek  <jakub@redhat.com>
2665
2666         PR target/93335
2667         * config/aarch64/aarch64.c (aarch64_expand_subvti): Only use
2668         gen_subdi3_compare1_imm if low_in2 satisfies aarch64_plus_immediate
2669         predicate, not whenever it is CONST_INT.  Otherwise, force_reg it.
2670         Call force_reg on high_in2 unconditionally.
2671
2672 2020-01-22  Martin Liska  <mliska@suse.cz>
2673
2674         PR tree-optimization/92924
2675         * profile.c (compute_value_histograms): Divide
2676         all counter values.
2677
2678 2020-01-22  Jakub Jelinek  <jakub@redhat.com>
2679
2680         PR target/91298
2681         * output.h (assemble_name_resolve): Declare.
2682         * varasm.c (assemble_name_resolve): New function.
2683         (assemble_name): Use it.
2684         * config/i386/i386.h (ASM_OUTPUT_SYMBOL_REF): Define.
2685
2686 2020-01-22  Joseph Myers  <joseph@codesourcery.com>
2687
2688         * doc/sourcebuild.texi (Texinfo Manuals, Front End): Refer to
2689         update_web_docs_git instead of update_web_docs_svn.
2690
2691 2020-01-21  Andrew Pinski  <apinski@marvell.com>
2692
2693         PR target/9311
2694         * config/aarch64/aarch64.md (tlsgd_small_<mode>): Have operand 0
2695         as PTR mode. Have operand 1 as being modeless, it can be P mode.
2696         (*tlsgd_small_<mode>): Likewise.
2697         * config/aarch64/aarch64.c (aarch64_load_symref_appropriately)
2698         <case SYMBOL_SMALL_TLSGD>: Call gen_tlsgd_small_* with a ptr_mode
2699         register.  Convert that register back to dest using convert_mode.
2700
2701 2020-01-21  Jim Wilson  <jimw@sifive.com>
2702
2703         * config/riscv/riscv-sr.c (riscv_sr_match_prologue): Use INTVAL
2704         instead of XINT.
2705
2706 2020-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2707             Uros Bizjak    <ubizjak@gmail.com>
2708
2709         PR target/93319
2710         * config/i386/i386.c (ix86_tls_module_base): Replace Pmode
2711         with ptr_mode.
2712         (legitimize_tls_address): Do GNU2 TLS address computation in
2713         ptr_mode and zero-extend result to Pmode.
2714         *  config/i386/i386.md (@tls_dynamic_gnu2_64_<mode>): Replace
2715         :P with :PTR and Pmode with ptr_mode.
2716         (*tls_dynamic_gnu2_lea_64_<mode>): Likewise.
2717         (*tls_dynamic_gnu2_call_64_<mode>): Likewise.
2718         (*tls_dynamic_gnu2_combine_64_<mode>): Likewise.
2719
2720 2020-01-21  Jakub Jelinek  <jakub@redhat.com>
2721
2722         PR target/93333
2723         * config/riscv/riscv.c (riscv_rtx_costs) <case ZERO_EXTRACT>: Verify
2724         the last two operands are CONST_INT_P before using them as such.
2725
2726 2020-01-21  Richard Sandiford  <richard.sandiford@arm.com>
2727
2728         * config/aarch64/aarch64-sve-builtins.def: Use get_typenode_from_name
2729         to get the integer element types.
2730
2731 2020-01-21  Richard Sandiford  <richard.sandiford@arm.com>
2732
2733         * config/aarch64/aarch64-sve-builtins.h
2734         (function_expander::convert_to_pmode): Declare.
2735         * config/aarch64/aarch64-sve-builtins.cc
2736         (function_expander::convert_to_pmode): New function.
2737         (function_expander::get_contiguous_base): Use it.
2738         (function_expander::prepare_gather_address_operands): Likewise.
2739         * config/aarch64/aarch64-sve-builtins-sve2.cc
2740         (svwhilerw_svwhilewr_impl::expand): Likewise.
2741
2742 2020-01-21  Szabolcs Nagy  <szabolcs.nagy@arm.com>
2743
2744         PR target/92424
2745         * config/aarch64/aarch64.c (aarch64_declare_function_name): Set
2746         cfun->machine->label_is_assembled.
2747         (aarch64_print_patchable_function_entry): New.
2748         (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY): Define.
2749         * config/aarch64/aarch64.h (struct machine_function): New field,
2750         label_is_assembled.
2751
2752 2020-01-21  David Malcolm  <dmalcolm@redhat.com>
2753
2754         PR ipa/93315
2755         * ipa-profile.c (ipa_profile): Delete call_sums and set it to
2756         NULL on exit.
2757
2758 2020-01-18  Jan Hubicka  <hubicka@ucw.cz>
2759
2760         PR lto/93318
2761         * cgraph.c (cgraph_edge::resolve_speculation,
2762         cgraph_edge::redirect_call_stmt_to_callee): Fix update of
2763         call_stmt_site_hash.
2764
2765 2020-01-21  Martin Liska  <mliska@suse.cz>
2766
2767         * config/rs6000/rs6000.c (common_mode_defined): Remove
2768         unused variable.
2769
2770 2020-01-21  Richard Biener  <rguenther@suse.de>
2771
2772         PR tree-optimization/92328
2773         * tree-ssa-sccvn.c (vn_reference_lookup_3): Preserve
2774         type when value-numbering same-sized store by inserting a
2775         VIEW_CONVERT_EXPR.
2776         (eliminate_dom_walker::eliminate_stmt): When eliminating
2777         a redundant store handle bit-reinterpretation of the same value.
2778
2779 2020-01-21  Andrew Pinski  <apinski@marvel.com>
2780
2781         PR tree-opt/93321
2782         * tree-into-ssa.c (prepare_block_for_update_1): Split out
2783         from ...
2784         (prepare_block_for_update): This.  Use a worklist instead of
2785         recursing.
2786
2787 2020-01-21  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2788
2789         * gcc/config/arm/arm.c (clear_operation_p):
2790         Initialise last_regno, skip first iteration
2791         based on the first_set value and use ints instead
2792         of the unnecessary HOST_WIDE_INTs.
2793
2794 2020-01-21  Jakub Jelinek  <jakub@redhat.com>
2795
2796         PR target/93073
2797         * config/rs6000/rs6000.c (rs6000_emit_cmove): If using fsel, punt for
2798         compare_mode other than SFmode or DFmode.
2799
2800 2020-01-21  Kito Cheng  <kito.cheng@sifive.com>
2801
2802         PR target/93304
2803         * config/riscv/riscv-protos.h (riscv_hard_regno_rename_ok): New.
2804         * config/riscv/riscv.c (riscv_hard_regno_rename_ok): New.
2805         * config/riscv/riscv.h (HARD_REGNO_RENAME_OK): Defined.
2806
2807 2020-01-20  Wilco Dijkstra  <wdijkstr@arm.com>
2808
2809         * config/aarch64/aarch64.c (neoversen1_tunings): Set jump_align to 4.
2810
2811 2020-01-20  Andrew Pinski  <apinski@marvell.com>
2812
2813         PR middle-end/93242
2814         * targhooks.c (default_print_patchable_function_entry): Use
2815         output_asm_insn to emit the nop instruction.
2816
2817 2020-01-20  Fangrui Song  <maskray@google.com>
2818
2819         PR middle-end/93194
2820         * targhooks.c (default_print_patchable_function_entry): Align to
2821         POINTER_SIZE.
2822
2823 2020-01-20  H.J. Lu  <hongjiu.lu@intel.com>
2824
2825         PR target/93319
2826         * config/i386/i386.c (legitimize_tls_address): Pass Pmode to
2827         gen_tls_dynamic_gnu2_64.  Compute GNU2 TLS address in ptr_mode.
2828         * config/i386/i386.md (tls_dynamic_gnu2_64): Renamed to ...
2829         (@tls_dynamic_gnu2_64_<mode>): This.  Replace DI with P.
2830         (*tls_dynamic_gnu2_lea_64): Renamed to ...
2831         (*tls_dynamic_gnu2_lea_64_<mode>): This.  Replace DI with P.
2832         Remove the {q} suffix from lea.
2833         (*tls_dynamic_gnu2_call_64): Renamed to ...
2834         (*tls_dynamic_gnu2_call_64_<mode>): This.  Replace DI with P.
2835         (*tls_dynamic_gnu2_combine_64): Renamed to ...
2836         (*tls_dynamic_gnu2_combine_64_<mode>): This.  Replace DI with P.
2837         Pass Pmode to gen_tls_dynamic_gnu2_64.
2838
2839 2020-01-20  Wilco Dijkstra  <wdijkstr@arm.com>
2840
2841         * config/aarch64/aarch64.h (SLOW_BYTE_ACCESS): Set to 1.
2842
2843 2020-01-20  Richard Sandiford  <richard.sandiford@arm.com>
2844
2845         * config/aarch64/aarch64-sve-builtins-base.cc
2846         (svld1ro_impl::memory_vector_mode): Remove parameter name.
2847
2848 2020-01-20  Richard Biener  <rguenther@suse.de>
2849
2850         PR debug/92763
2851         * dwarf2out.c (prune_unused_types): Unconditionally mark
2852         called function DIEs.
2853
2854 2020-01-20  Martin Liska  <mliska@suse.cz>
2855
2856         PR tree-optimization/93199
2857         * tree-eh.c (struct leh_state): Add
2858         new field outer_non_cleanup.
2859         (cleanup_is_dead_in): Pass leh_state instead
2860         of eh_region.  Add a checking that state->outer_non_cleanup
2861         points to outer non-clean up region.
2862         (lower_try_finally): Record outer_non_cleanup
2863         for this_state.
2864         (lower_catch): Likewise.
2865         (lower_eh_filter): Likewise.
2866         (lower_eh_must_not_throw): Likewise.
2867         (lower_cleanup): Likewise.
2868
2869 2020-01-20  Richard Biener  <rguenther@suse.de>
2870
2871         PR tree-optimization/93094
2872         * tree-vectorizer.h (vect_loop_versioning): Adjust.
2873         (vect_transform_loop): Likewise.
2874         * tree-vectorizer.c (try_vectorize_loop_1): Pass down
2875         loop_vectorized_call to vect_transform_loop.
2876         * tree-vect-loop.c (vect_transform_loop): Pass down
2877         loop_vectorized_call to vect_loop_versioning.
2878         * tree-vect-loop-manip.c (vect_loop_versioning): Use
2879         the earlier discovered loop_vectorized_call.
2880
2881 2020-01-19  Eric S. Raymond <esr@thyrsus.com>
2882
2883         * doc/contribute.texi: Update for SVN -> Git transition.
2884         * doc/install.texi: Likewise.
2885
2886 2020-01-18  Jan Hubicka  <hubicka@ucw.cz>
2887
2888         PR lto/93318
2889         * cgraph.c (cgraph_edge::make_speculative): Increase number of
2890         speculative targets.
2891         (verify_speculative_call): New function
2892         (cgraph_node::verify_node): Use it.
2893         * ipa-profile.c (ipa_profile): Fix formating; do not set number of
2894         speculations.
2895
2896 2020-01-18  Jan Hubicka  <hubicka@ucw.cz>
2897
2898         PR lto/93318
2899         * cgraph.c (cgraph_edge::resolve_speculation): Fix foramting.
2900         (cgraph_edge::make_direct): Remove all indirect targets.
2901         (cgraph_edge::redirect_call_stmt_to_callee): Use make_direct..
2902         (cgraph_node::verify_node): Verify that only one call_stmt or
2903         lto_stmt_uid is set.
2904         * cgraphclones.c (cgraph_edge::clone): Set only one call_stmt or
2905         lto_stmt_uid.
2906         * lto-cgraph.c (lto_output_edge): Simplify streaming of stmt.
2907         (lto_output_ref): Simplify streaming of stmt.
2908         * lto-streamer-in.c (fixup_call_stmt_edges_1): Clear lto_stmt_uid.
2909
2910 2020-01-18  Tamar Christina  <tamar.christina@arm.com>
2911
2912         * config/aarch64/aarch64-sve-builtins-base.cc (memory_vector_mode):
2913         Mark parameter unused.
2914
2915 2020-01-18  Hans-Peter Nilsson  <hp@axis.com>
2916
2917         * config.gcc <obsolete targets>: Add crisv32-*-* and cris-*-linux*
2918
2919 2019-01-18  Gerald Pfeifer  <gerald@pfeifer.com>
2920
2921         * varpool.c (ctor_useable_for_folding_p): Fix grammar.
2922
2923 2020-01-18  Iain Sandoe  <iain@sandoe.co.uk>
2924
2925         * Makefile.in: Add coroutine-passes.o.
2926         * builtin-types.def (BT_CONST_SIZE): New.
2927         (BT_FN_BOOL_PTR): New.
2928         (BT_FN_PTR_PTR_CONST_SIZE_BOOL): New.
2929         * builtins.def (DEF_COROUTINE_BUILTIN): New.
2930         * coroutine-builtins.def: New file.
2931         * coroutine-passes.cc: New file.
2932         * function.h (struct GTY function): Add a bit to indicate that the
2933         function is a coroutine component.
2934         * internal-fn.c (expand_CO_FRAME): New.
2935         (expand_CO_YIELD): New.
2936         (expand_CO_SUSPN): New.
2937         (expand_CO_ACTOR): New.
2938         * internal-fn.def (CO_ACTOR): New.
2939         (CO_YIELD): New.
2940         (CO_SUSPN): New.
2941         (CO_FRAME): New.
2942         * passes.def: Add pass_coroutine_lower_builtins,
2943         pass_coroutine_early_expand_ifns.
2944         * tree-pass.h (make_pass_coroutine_lower_builtins): New.
2945         (make_pass_coroutine_early_expand_ifns): New.
2946         * doc/invoke.texi: Document the fcoroutines command line
2947         switch.
2948
2949 2020-01-18  Jakub Jelinek  <jakub@redhat.com>
2950
2951         * config/arm/vfp.md (*clear_vfp_multiple): Remove unused variable.
2952
2953         PR target/93312
2954         * config/arm/arm.c (clear_operation_p): Don't use REGNO until
2955         after checking the argument is a REG.  Don't use REGNO (reg)
2956         again to set last_regno, reuse regno variable instead.
2957
2958 2020-01-17  David Malcolm  <dmalcolm@redhat.com>
2959
2960         * doc/analyzer.texi (Limitations): Add note about NaN.
2961
2962 2020-01-17  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2963             Sudakshina Das  <sudi.das@arm.com>
2964
2965         * config/arm/arm.md (ashldi3): Generate thumb2_lsll for both reg
2966         and valid immediate.
2967         (ashrdi3): Generate thumb2_asrl for both reg and valid immediate.
2968         (lshrdi3): Generate thumb2_lsrl for valid immediates.
2969         * config/arm/constraints.md (Pg): New.
2970         * config/arm/predicates.md (long_shift_imm): New.
2971         (arm_reg_or_long_shift_imm): Likewise.
2972         * config/arm/thumb2.md (thumb2_asrl): New immediate alternative.
2973         (thumb2_lsll): Likewise.
2974         (thumb2_lsrl): New.
2975
2976 2020-01-17  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2977             Sudakshina Das  <sudi.das@arm.com>
2978
2979         * config/arm/arm.md (ashldi3): Generate thumb2_lsll for TARGET_HAVE_MVE.
2980         (ashrdi3): Generate thumb2_asrl for TARGET_HAVE_MVE.
2981         * config/arm/arm.c (arm_hard_regno_mode_ok): Allocate even odd
2982         register pairs for doubleword quantities for ARMv8.1M-Mainline.
2983         * config/arm/thumb2.md (thumb2_asrl): New.
2984         (thumb2_lsll): Likewise.
2985
2986 2020-01-17  Jakub Jelinek  <jakub@redhat.com>
2987
2988         * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear): Remove
2989         unused variable.
2990
2991 2020-01-17  Alexander Monakov  <amonakov@ispras.ru>
2992
2993         * gdbinit.in (help-gcc-hooks): New command.
2994         (pp, pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, ptc, pdn, ptn, pdd, prc,
2995         pi, pbm, pel, trt): Take $arg0 instead of $ if supplied. Update
2996         documentation.
2997
2998 2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>
2999
3000         * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): Use the
3001         correct target macro.
3002
3003 2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>
3004
3005         * config/aarch64/aarch64-protos.h
3006         (aarch64_sve_ld1ro_operand_p): New.
3007         * config/aarch64/aarch64-sve-builtins-base.cc
3008         (class load_replicate): New.
3009         (class svld1ro_impl): New.
3010         (class svld1rq_impl): Change to inherit from load_replicate.
3011         (svld1ro): New sve intrinsic function base.
3012         * config/aarch64/aarch64-sve-builtins-base.def (svld1ro):
3013         New DEF_SVE_FUNCTION.
3014         * config/aarch64/aarch64-sve-builtins-base.h
3015         (svld1ro): New decl.
3016         * config/aarch64/aarch64-sve-builtins.cc
3017         (function_expander::add_mem_operand): Modify assert to allow
3018         OImode.
3019         * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): New
3020         pattern.
3021         * config/aarch64/aarch64.c
3022         (aarch64_sve_ld1rq_operand_p): Implement in terms of ...
3023         (aarch64_sve_ld1rq_ld1ro_operand_p): This.
3024         (aarch64_sve_ld1ro_operand_p): New.
3025         * config/aarch64/aarch64.md (UNSPEC_LD1RO): New unspec.
3026         * config/aarch64/constraints.md (UOb,UOh,UOw,UOd): New.
3027         * config/aarch64/predicates.md
3028         (aarch64_sve_ld1ro_operand_{b,h,w,d}): New.
3029
3030 2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>
3031
3032         * config/aarch64/aarch64-c.c (_ARM_FEATURE_MATMUL_FLOAT64):
3033         Introduce this ACLE specified predefined macro.
3034         * config/aarch64/aarch64-option-extensions.def (f64mm): New.
3035         (fp): Disabling this disables f64mm.
3036         (simd): Disabling this disables f64mm.
3037         (fp16): Disabling this disables f64mm.
3038         (sve): Disabling this disables f64mm.
3039         * config/aarch64/aarch64.h (AARCH64_FL_F64MM): New.
3040         (AARCH64_ISA_F64MM): New.
3041         (TARGET_F64MM): New.
3042         * doc/invoke.texi (f64mm): Document new option.
3043
3044 2020-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
3045
3046         * config/aarch64/aarch64.c (generic_tunings): Add branch fusion.
3047         (neoversen1_tunings): Likewise.
3048
3049 2020-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
3050
3051         PR target/92692
3052         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap)
3053         Add assert to ensure prolog has been emitted.
3054         (aarch64_split_atomic_op): Likewise.
3055         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>)
3056         Use epilogue_completed rather than reload_completed.
3057         (aarch64_atomic_exchange<mode>): Likewise.
3058         (aarch64_atomic_<atomic_optab><mode>): Likewise.
3059         (atomic_nand<mode>): Likewise.
3060         (aarch64_atomic_fetch_<atomic_optab><mode>): Likewise.
3061         (atomic_fetch_nand<mode>): Likewise.
3062         (aarch64_atomic_<atomic_optab>_fetch<mode>): Likewise.
3063         (atomic_nand_fetch<mode>): Likewise.
3064
3065 2020-01-17  Richard Sandiford  <richard.sandiford@arm.com>
3066
3067         PR target/93133
3068         * config/aarch64/aarch64.h (REVERSIBLE_CC_MODE): Return false
3069         for FP modes.
3070         (REVERSE_CONDITION): Delete.
3071         * config/aarch64/iterators.md (CC_ONLY): New mode iterator.
3072         (CCFP_CCFPE): Likewise.
3073         (e): New mode attribute.
3074         * config/aarch64/aarch64.md (ccmp<GPI:mode>): Rename to...
3075         (@ccmp<CC_ONLY:mode><GPI:mode>): ...this, using CC_ONLY instead of CC.
3076         (fccmp<GPF:mode>, fccmpe<GPF:mode>): Merge into...
3077         (@ccmp<CCFP_CCFPE:mode><GPF:mode>): ...this combined pattern.
3078         (@ccmp<CC_ONLY:mode><GPI:mode>_rev): New pattern.
3079         (@ccmp<CCFP_CCFPE:mode><GPF:mode>_rev): Likewise.
3080         * config/aarch64/aarch64.c (aarch64_gen_compare_reg): Update
3081         name of generator from gen_ccmpdi to gen_ccmpccdi.
3082         (aarch64_gen_ccmp_next): Use code_for_ccmp.  If we want to reverse
3083         the previous comparison but aren't able to, use the new ccmp_rev
3084         patterns instead.
3085
3086 2020-01-17  Richard Sandiford  <richard.sandiford@arm.com>
3087
3088         * gimplify.c (gimplify_return_expr): Use poly_int_tree_p rather
3089         than testing directly for INTEGER_CST.
3090         (gimplify_target_expr, gimplify_omp_depend): Likewise.
3091
3092 2020-01-17  Jakub Jelinek  <jakub@redhat.com>
3093
3094         PR tree-optimization/93292
3095         * tree-vect-stmts.c (vectorizable_comparison): Punt also if
3096         get_vectype_for_scalar_type returns NULL.
3097
3098 2020-01-16  Jan Hubicka  <hubicka@ucw.cz>
3099
3100         * params.opt (-param=max-predicted-iterations): Increase range from 0.
3101         * predict.c (estimate_loops): Add 1 to param_max_predicted_iterations.
3102
3103 2020-01-16  Jan Hubicka  <hubicka@ucw.cz>
3104
3105         * ipa-fnsummary.c (estimate_calls_size_and_time): Fix formating of
3106         dump.
3107         * params.opt: (max-predicted-iterations): Set bounds.
3108         * predict.c (real_almost_one, real_br_prob_base,
3109         real_inv_br_prob_base, real_one_half, real_bb_freq_max): Remove.
3110         (propagate_freq): Add max_cyclic_prob parameter; cap cyclic
3111         probabilities; do not truncate to reg_br_prob_bases.
3112         (estimate_loops_at_level): Pass max_cyclic_prob.
3113         (estimate_loops): Compute max_cyclic_prob.
3114         (estimate_bb_frequencies): Do not initialize real_*; update calculation
3115         of back edge prob.
3116         * profile-count.c (profile_probability::to_sreal): New.
3117         * profile-count.h (class sreal): Move up in file.
3118         (profile_probability::to_sreal): Declare.
3119
3120 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3121
3122         * config/arm/arm.c
3123         (arm_invalid_conversion): New function for target hook.
3124         (arm_invalid_unary_op): New function for target hook.
3125         (arm_invalid_binary_op): New function for target hook.
3126
3127 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3128
3129         * config.gcc: Add arm_bf16.h.
3130         * config/arm/arm-builtins.c (arm_mangle_builtin_type): Fix comment.
3131         (arm_simd_builtin_std_type): Add BFmode.
3132         (arm_init_simd_builtin_types): Define element types for vector types.
3133         (arm_init_bf16_types): New function.
3134         (arm_init_builtins): Add arm_init_bf16_types function call.
3135         * config/arm/arm-modes.def: Add BFmode and V4BF, V8BF vector modes.
3136         * config/arm/arm-simd-builtin-types.def: Add V4BF, V8BF.
3137         * config/arm/arm.c (aapcs_vfp_sub_candidate):  Add BFmode.
3138         (arm_hard_regno_mode_ok): Add BFmode and tidy up statements.
3139         (arm_vector_mode_supported_p): Add V4BF, V8BF.
3140         (arm_mangle_type):  Add __bf16.
3141         * config/arm/arm.h: Add V4BF, V8BF to VALID_NEON_DREG_MODE,
3142         VALID_NEON_QREG_MODE respectively. Add export arm_bf16_type_node,
3143         arm_bf16_ptr_type_node.
3144         * config/arm/arm.md: Add BFmode to movhf expand, mov pattern and
3145         define_split between ARM registers.
3146         * config/arm/arm_bf16.h: New file.
3147         * config/arm/arm_neon.h: Add arm_bf16.h and Bfloat vector types.
3148         * config/arm/iterators.md: (ANY64_BF, VDXMOV, VHFBF, HFBF, fporbf): New.
3149         (VQXMOV): Add V8BF.
3150         * config/arm/neon.md: Add BF vector types to movhf NEON move patterns.
3151         * config/arm/vfp.md: Add BFmode to movhf patterns.
3152
3153 2020-01-16  Mihail Ionescu  <mihail.ionescu@arm.com>
3154             Andre Vieira  <andre.simoesdiasvieira@arm.com>
3155
3156         * config/arm/arm-cpus.in (mve, mve_float): New features.
3157         (dsp, mve, mve.fp): New options.
3158         * config/arm/arm.h (TARGET_HAVE_MVE, TARGET_HAVE_MVE_FLOAT): Define.
3159         * config/arm/t-rmprofile: Map v8.1-M multilibs to v8-M.
3160         * doc/invoke.texi: Document the armv8.1-m mve and dps options.
3161
3162 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3163             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3164
3165         * config/arm/arm-cpus.in (ARMv8_1m_main): Redefine as an extension to
3166         Armv8-M Mainline.
3167         * config/arm/arm.c (arm_options_perform_arch_sanity_checks): Remove
3168         error for using -mcmse when targeting Armv8.1-M Mainline.
3169
3170 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3171             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3172
3173         * config/arm/arm.md (nonsecure_call_internal): Do not force memory
3174         address in r4 when targeting Armv8.1-M Mainline.
3175         (nonsecure_call_value_internal): Likewise.
3176         * config/arm/thumb2.md (nonsecure_call_reg_thumb2): Make memory address
3177         a register match_operand again.  Emit BLXNS when targeting
3178         Armv8.1-M Mainline.
3179         (nonsecure_call_value_reg_thumb2): Likewise.
3180
3181 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3182             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3183
3184         * config/arm/arm.c (arm_add_cfa_adjust_cfa_note): Declare early.
3185         (cmse_nonsecure_call_inline_register_clear): Define new lazy_fpclear
3186         variable as true when floating-point ABI is not hard.  Replace
3187         check against TARGET_HARD_FLOAT_ABI by checks against lazy_fpclear.
3188         Generate VLSTM and VLLDM instruction respectively before and
3189         after a function call to cmse_nonsecure_call function.
3190         * config/arm/unspecs.md (VUNSPEC_VLSTM): Define unspec.
3191         (VUNSPEC_VLLDM): Likewise.
3192         * config/arm/vfp.md (lazy_store_multiple_insn): New define_insn.
3193         (lazy_load_multiple_insn): Likewise.
3194
3195 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3196             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3197
3198         * config/arm/arm.c (vfp_emit_fstmd): Declare early.
3199         (arm_emit_vfp_multi_reg_pop): Likewise.
3200         (cmse_nonsecure_call_inline_register_clear): Abstract number of VFP
3201         registers to clear in max_fp_regno.  Emit VPUSH and VPOP to save and
3202         restore callee-saved VFP registers.
3203
3204 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3205             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3206
3207         * config/arm/arm.c (arm_emit_multi_reg_pop): Declare early.
3208         (cmse_nonsecure_call_clear_caller_saved): Rename into ...
3209         (cmse_nonsecure_call_inline_register_clear): This.  Save and clear
3210         callee-saved GPRs as well as clear ip register before doing a nonsecure
3211         call then restore callee-saved GPRs after it when targeting
3212         Armv8.1-M Mainline.
3213         (arm_reorg): Adapt to function rename.
3214
3215 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3216             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3217
3218         * config/arm/arm-protos.h (clear_operation_p): Adapt prototype.
3219         * config/arm/arm.c (clear_operation_p): Extend to be able to check a
3220         clear_vfp_multiple pattern based on a new vfp parameter.
3221         (cmse_clear_registers): Generate VSCCLRM to clear VFP registers when
3222         targeting Armv8.1-M Mainline.
3223         (cmse_nonsecure_entry_clear_before_return): Clear VFP registers
3224         unconditionally when targeting Armv8.1-M Mainline architecture.  Check
3225         whether VFP registers are available before looking call_used_regs for a
3226         VFP register.
3227         * config/arm/predicates.md (clear_multiple_operation): Adapt to change
3228         of prototype of clear_operation_p.
3229         (clear_vfp_multiple_operation): New predicate.
3230         * config/arm/unspecs.md (VUNSPEC_VSCCLRM_VPR): New volatile unspec.
3231         * config/arm/vfp.md (clear_vfp_multiple): New define_insn.
3232
3233 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3234             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3235
3236         * config/arm/arm-protos.h (clear_operation_p): Declare.
3237         * config/arm/arm.c (clear_operation_p): New function.
3238         (cmse_clear_registers): Generate clear_multiple instruction pattern if
3239         targeting Armv8.1-M Mainline or successor.
3240         (output_return_instruction): Only output APSR register clearing if
3241         Armv8.1-M Mainline instructions not available.
3242         (thumb_exit): Likewise.
3243         * config/arm/predicates.md (clear_multiple_operation): New predicate.
3244         * config/arm/thumb2.md (clear_apsr): New define_insn.
3245         (clear_multiple): Likewise.
3246         * config/arm/unspecs.md (VUNSPEC_CLRM_APSR): New volatile unspec.
3247
3248 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3249             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3250
3251         * config/arm/arm.c (fp_sysreg_names): Declare and define.
3252         (use_return_insn): Also return false for Armv8.1-M Mainline.
3253         (output_return_instruction): Skip FPSCR clearing if Armv8.1-M
3254         Mainline instructions are available.
3255         (arm_compute_frame_layout): Allocate space in frame for FPCXTNS
3256         when targeting Armv8.1-M Mainline Security Extensions.
3257         (arm_expand_prologue): Save FPCXTNS if this is an Armv8.1-M
3258         Mainline entry function.
3259         (cmse_nonsecure_entry_clear_before_return): Clear IP and r4 if
3260         targeting Armv8.1-M Mainline or successor.
3261         (arm_expand_epilogue): Fix indentation of caller-saved register
3262         clearing.  Restore FPCXTNS if this is an Armv8.1-M Mainline
3263         entry function.
3264         * config/arm/arm.h (TARGET_HAVE_FP_CMSE): New macro.
3265         (FP_SYSREGS): Likewise.
3266         (enum vfp_sysregs_encoding): Define enum.
3267         (fp_sysreg_names): Declare.
3268         * config/arm/unspecs.md (VUNSPEC_VSTR_VLDR): New volatile unspec.
3269         * config/arm/vfp.md (push_fpsysreg_insn): New define_insn.
3270         (pop_fpsysreg_insn): Likewise.
3271
3272 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
3273             Thomas Preud'homme  <thomas.preudhomme@arm.com>
3274
3275         * config/arm/arm-cpus.in (armv8_1m_main): New feature.
3276         (ARMv4, ARMv4t, ARMv5t, ARMv5te, ARMv5tej, ARMv6, ARMv6j, ARMv6k,
3277         ARMv6z, ARMv6kz, ARMv6zk, ARMv6t2, ARMv6m, ARMv7, ARMv7a, ARMv7ve,
3278         ARMv7r, ARMv7m, ARMv7em, ARMv8a, ARMv8_1a, ARMv8_2a, ARMv8_3a,
3279         ARMv8_4a, ARMv8_5a, ARMv8m_base, ARMv8m_main, ARMv8r): Reindent.
3280         (ARMv8_1m_main): New feature group.
3281         (armv8.1-m.main): New architecture.
3282         * config/arm/arm-tables.opt: Regenerate.
3283         * config/arm/arm.c (arm_arch8_1m_main): Define and default initialize.
3284         (arm_option_reconfigure_globals): Initialize arm_arch8_1m_main.
3285         (arm_options_perform_arch_sanity_checks): Error out when targeting
3286         Armv8.1-M Mainline Security Extensions.
3287         * config/arm/arm.h (arm_arch8_1m_main): Declare.
3288
3289 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3290
3291         * config/aarch64/aarch64-simd-builtins.def (aarch64_bfdot,
3292         aarch64_bfdot_lane, aarch64_bfdot_laneq): New.
3293         * config/aarch64/aarch64-simd.md (aarch64_bfdot, aarch64_bfdot_lane,
3294         aarch64_bfdot_laneq): New.
3295         * config/aarch64/arm_bf16.h (vbfdot_f32, vbfdotq_f32,
3296         vbfdot_lane_f32, vbfdotq_lane_f32, vbfdot_laneq_f32,
3297         vbfdotq_laneq_f32): New.
3298         * config/aarch64/iterators.md (UNSPEC_BFDOT, Vbfdottype,
3299         VBFMLA_W, VBF): New.
3300         (isquadop): Add V4BF, V8BF.
3301
3302 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3303
3304         * config/aarch64/aarch64-builtins.c: (enum aarch64_type_qualifiers):
3305         New qualifier_lane_quadtup_index, TYPES_TERNOP_SSUS,
3306         TYPES_QUADOPSSUS_LANE_QUADTUP, TYPES_QUADOPSSSU_LANE_QUADTUP.
3307         (aarch64_simd_expand_args): Add case SIMD_ARG_LANE_QUADTUP_INDEX.
3308         (aarch64_simd_expand_builtin): Add qualifier_lane_quadtup_index.
3309         * config/aarch64/aarch64-simd-builtins.def (usdot, usdot_lane,
3310         usdot_laneq, sudot_lane,sudot_laneq): New.
3311         * config/aarch64/aarch64-simd.md (aarch64_usdot): New.
3312         (aarch64_<sur>dot_lane): New.
3313         * config/aarch64/arm_neon.h (vusdot_s32): New.
3314         (vusdotq_s32): New.
3315         (vusdot_lane_s32): New.
3316         (vsudot_lane_s32): New.
3317         * config/aarch64/iterators.md (DOTPROD_I8MM): New iterator.
3318         (UNSPEC_USDOT, UNSPEC_SUDOT): New unspecs.
3319
3320 2020-01-16  Martin Liska  <mliska@suse.cz>
3321
3322         * value-prof.c (dump_histogram_value): Fix
3323         obvious spacing issue.
3324
3325 2020-01-16  Andrew Pinski  <apinski@marvell.com>
3326
3327         * tree-ssa-sccvn.c(vn_reference_lookup_3): Check lhs for
3328         !storage_order_barrier_p.
3329
3330 2020-01-16  Andrew Pinski  <apinski@marvell.com>
3331
3332         * sched-int.h (_dep): Add unused bit-field field for the padding.
3333         * sched-deps.c (init_dep_1): Init unused field.
3334
3335 2020-01-16  Andrew Pinski  <apinski@marvell.com>
3336
3337         * optabs.h (create_expand_operand): Initialize target field also.
3338
3339 2020-01-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3340
3341         PR tree-optimization/92429
3342         * tree-ssa-loop-niter.h (simplify_replace_tree): Add parameter.
3343         * tree-ssa-loop-niter.c (simplify_replace_tree): Add parameter to
3344         control folding.
3345         * tree-vect-loop.c (update_epilogue_vinfo): Do not fold when replacing
3346         tree.
3347
3348 2020-01-16  Richard Sandiford  <richard.sandiford@arm.com>
3349
3350         * config/aarch64/aarch64.c (aarch64_split_sve_subreg_move): Apply
3351         aarch64_sve_int_mode to each mode.
3352
3353 2020-01-15  David Malcolm  <dmalcolm@redhat.com>
3354
3355         * doc/analyzer.texi (Overview): Add note about
3356         -fdump-ipa-analyzer.
3357
3358 2020-01-15  Wilco Dijkstra  <wdijkstr@arm.com>
3359
3360         PR tree-optimization/93231
3361         * tree-ssa-forwprop.c (optimize_count_trailing_zeroes): Check
3362         input_type is unsigned.  Use tree_to_shwi for shift constant.
3363         Check CST_STRING element size is CHAR_TYPE_SIZE bits.
3364         (simplify_count_trailing_zeroes): Add test to handle known non-zero
3365         inputs more efficiently.
3366
3367 2020-01-15  Uroš Bizjak  <ubizjak@gmail.com>
3368
3369         * config/i386/i386.md (*movsf_internal): Do not require
3370         SSE2 ISA for alternatives 14 and 15.
3371
3372 2020-01-15  Richard Biener  <rguenther@suse.de>
3373
3374         PR middle-end/93273
3375         * tree-eh.c (sink_clobbers): If we already visited the destination
3376         block do not defer insertion.
3377         (pass_lower_eh_dispatch::execute): Maintain BB_VISITED for
3378         the purpose of defered insertion.
3379
3380 2020-01-15  Jakub Jelinek  <jakub@redhat.com>
3381
3382         * BASE-VER: Bump to 10.0.1.
3383
3384 2020-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3385
3386         PR tree-optimization/93247
3387         * tree-vect-loop.c (update_epilogue_loop_vinfo): Check the access
3388         type of the stmt that we're going to vectorize.
3389
3390 2020-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3391
3392         * tree-vect-slp.c (vectorize_slp_instance_root_stmt): Use a
3393         VIEW_CONVERT_EXPR if the vectorized constructor has a diffeent
3394         type from the lhs.
3395
3396 2020-01-15  Martin Liska  <mliska@suse.cz>
3397
3398         * ipa-profile.c (ipa_profile_read_edge_summary): Do not allow
3399         2 calls of streamer_read_hwi in a function call.
3400
3401 2020-01-15  Richard Biener  <rguenther@suse.de>
3402
3403         * alias.c (record_alias_subset): Avoid redundant work when
3404         subset is already recorded.
3405
3406 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3407
3408         * doc/invoke.texi (-fdiagnostics-show-cwe): Add note that some of
3409         the analyzer options provide CWE identifiers.
3410
3411 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3412
3413         * tree-diagnostic-path.cc (path_summary::event_range::print):
3414         When testing for UNKNOWN_LOCATION, look through ad-hoc wrappers
3415         using get_pure_location.
3416
3417 2020-01-15  Jakub Jelinek  <jakub@redhat.com>
3418
3419         PR tree-optimization/93262
3420         * tree-ssa-dse.c (maybe_trim_memstar_call): For *_chk builtins,
3421         perform head trimming only if the last argument is constant,
3422         either all ones, or larger or equal to head trim, in the latter
3423         case decrease the last argument by head_trim.
3424
3425         PR tree-optimization/93249
3426         * tree-ssa-dse.c: Include builtins.h and gimple-fold.h.
3427         (maybe_trim_memstar_call): Move head_trim and tail_trim vars to
3428         function body scope, reindent.  For BUILTIN_IN_STRNCPY*, don't
3429         perform head trim unless we can prove there are no '\0' chars
3430         from the source among the first head_trim chars.
3431
3432 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3433
3434         * Makefile.in (ANALYZER_OBJS): Add analyzer/function-set.o.
3435
3436 2020-01-15  Jakub Jelinek  <jakub@redhat.com>
3437
3438         PR target/93009
3439         * config/i386/sse.md
3440         (*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_1,
3441         *<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_1,
3442         *<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_1,
3443         *<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_1): Use
3444         just a single alternative instead of two, make operands 1 and 2
3445         commutative.
3446
3447 2020-01-14  Jan Hubicka  <hubicka@ucw.cz>
3448
3449         PR lto/91576
3450         * ipa-devirt.c (odr_types_equivalent_p): Compare TREE_ADDRESSABLE and
3451         TYPE_MODE.
3452
3453 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3454
3455         * Makefile.in (lang_opt_files): Add analyzer.opt.
3456         (ANALYZER_OBJS): New.
3457         (OBJS): Add digraph.o, graphviz.o, ordered-hash-map-tests.o,
3458         tristate.o and ANALYZER_OBJS.
3459         (TEXI_GCCINT_FILES): Add analyzer.texi.
3460         * common.opt (-fanalyzer): New driver option.
3461         * config.in: Regenerate.
3462         * configure: Regenerate.
3463         * configure.ac (--disable-analyzer, ENABLE_ANALYZER): New option.
3464         (gccdepdir): Also create depdir for "analyzer" subdir.
3465         * digraph.cc: New file.
3466         * digraph.h: New file.
3467         * doc/analyzer.texi: New file.
3468         * doc/gccint.texi ("Static Analyzer") New menu item.
3469         (analyzer.texi): Include it.
3470         * doc/invoke.texi ("Static Analyzer Options"): New list and new section.
3471         ("Warning Options"): Add static analysis warnings to the list.
3472         (-Wno-analyzer-double-fclose): New option.
3473         (-Wno-analyzer-double-free): New option.
3474         (-Wno-analyzer-exposure-through-output-file): New option.
3475         (-Wno-analyzer-file-leak): New option.
3476         (-Wno-analyzer-free-of-non-heap): New option.
3477         (-Wno-analyzer-malloc-leak): New option.
3478         (-Wno-analyzer-possible-null-argument): New option.
3479         (-Wno-analyzer-possible-null-dereference): New option.
3480         (-Wno-analyzer-null-argument): New option.
3481         (-Wno-analyzer-null-dereference): New option.
3482         (-Wno-analyzer-stale-setjmp-buffer): New option.
3483         (-Wno-analyzer-tainted-array-index): New option.
3484         (-Wno-analyzer-use-after-free): New option.
3485         (-Wno-analyzer-use-of-pointer-in-stale-stack-frame): New option.
3486         (-Wno-analyzer-use-of-uninitialized-value): New option.
3487         (-Wanalyzer-too-complex): New option.
3488         (-fanalyzer-call-summaries): New warning.
3489         (-fanalyzer-checker=): New warning.
3490         (-fanalyzer-fine-grained): New warning.
3491         (-fno-analyzer-state-merge): New warning.
3492         (-fno-analyzer-state-purge): New warning.
3493         (-fanalyzer-transitivity): New warning.
3494         (-fanalyzer-verbose-edges): New warning.
3495         (-fanalyzer-verbose-state-changes): New warning.
3496         (-fanalyzer-verbosity=): New warning.
3497         (-fdump-analyzer): New warning.
3498         (-fdump-analyzer-callgraph): New warning.
3499         (-fdump-analyzer-exploded-graph): New warning.
3500         (-fdump-analyzer-exploded-nodes): New warning.
3501         (-fdump-analyzer-exploded-nodes-2): New warning.
3502         (-fdump-analyzer-exploded-nodes-3): New warning.
3503         (-fdump-analyzer-supergraph): New warning.
3504         * doc/sourcebuild.texi (dg-require-dot): New.
3505         (dg-check-dot): New.
3506         * gdbinit.in (break-on-saved-diagnostic): New command.
3507         * graphviz.cc: New file.
3508         * graphviz.h: New file.
3509         * ordered-hash-map-tests.cc: New file.
3510         * ordered-hash-map.h: New file.
3511         * passes.def (pass_analyzer): Add before
3512         pass_ipa_whole_program_visibility.
3513         * selftest-run-tests.c (selftest::run_tests): Call
3514         selftest::ordered_hash_map_tests_cc_tests.
3515         * selftest.h (selftest::ordered_hash_map_tests_cc_tests): New
3516         decl.
3517         * shortest-paths.h: New file.
3518         * timevar.def (TV_ANALYZER): New timevar.
3519         (TV_ANALYZER_SUPERGRAPH): Likewise.
3520         (TV_ANALYZER_STATE_PURGE): Likewise.
3521         (TV_ANALYZER_PLAN): Likewise.
3522         (TV_ANALYZER_SCC): Likewise.
3523         (TV_ANALYZER_WORKLIST): Likewise.
3524         (TV_ANALYZER_DUMP): Likewise.
3525         (TV_ANALYZER_DIAGNOSTICS): Likewise.
3526         (TV_ANALYZER_SHORTEST_PATHS): Likewise.
3527         * tree-pass.h (make_pass_analyzer): New decl.
3528         * tristate.cc: New file.
3529         * tristate.h: New file.
3530
3531 2020-01-14  Uroš Bizjak  <ubizjak@gmail.com>
3532
3533         PR target/93254
3534         * config/i386/i386.md (*movsf_internal): Require SSE2 ISA for
3535         alternatives 9 and 10.
3536
3537 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3538
3539         * attribs.c (excl_hash_traits::empty_zero_p): New static constant.
3540         * gcov.c (function_start_pair_hash::empty_zero_p): Likewise.
3541         * graphite.c (struct sese_scev_hash::empty_zero_p): Likewise.
3542         * hash-map-tests.c (selftest::test_nonzero_empty_key): New selftest.
3543         (selftest::hash_map_tests_c_tests): Call it.
3544         * hash-map-traits.h (simple_hashmap_traits::empty_zero_p):
3545         New static constant, using the value of = H::empty_zero_p.
3546         (unbounded_hashmap_traits::empty_zero_p): Likewise, using the value
3547         from default_hash_traits <Value>.
3548         * hash-map.h (hash_map::empty_zero_p): Likewise, using the value
3549         from Traits.
3550         * hash-set-tests.c (value_hash_traits::empty_zero_p): Likewise.
3551         * hash-table.h (hash_table::alloc_entries): Guard the loop of
3552         calls to mark_empty with !Descriptor::empty_zero_p.
3553         (hash_table::empty_slow): Conditionalize the memset call with a
3554         check that Descriptor::empty_zero_p; otherwise, loop through the
3555         entries calling mark_empty on them.
3556         * hash-traits.h (int_hash::empty_zero_p): New static constant.
3557         (pointer_hash::empty_zero_p): Likewise.
3558         (pair_hash::empty_zero_p): Likewise.
3559         * ipa-devirt.c (default_hash_traits <type_pair>::empty_zero_p):
3560         Likewise.
3561         * ipa-prop.c (ipa_bit_ggc_hash_traits::empty_zero_p): Likewise.
3562         (ipa_vr_ggc_hash_traits::empty_zero_p): Likewise.
3563         * profile.c (location_triplet_hash::empty_zero_p): Likewise.
3564         * sanopt.c (sanopt_tree_triplet_hash::empty_zero_p): Likewise.
3565         (sanopt_tree_couple_hash::empty_zero_p): Likewise.
3566         * tree-hasher.h (int_tree_hasher::empty_zero_p): Likewise.
3567         * tree-ssa-sccvn.c (vn_ssa_aux_hasher::empty_zero_p): Likewise.
3568         * tree-vect-slp.c (bst_traits::empty_zero_p): Likewise.
3569         * tree-vectorizer.h
3570         (default_hash_traits<scalar_cond_masked_key>::empty_zero_p):
3571         Likewise.
3572
3573 2020-01-14  Kewen Lin  <linkw@gcc.gnu.org>
3574
3575         * cfgloopanal.c (average_num_loop_insns): Free bbs when early return,
3576         fix typo on return value.
3577
3578 2020-01-14  Xiong Hu Luo  <luoxhu@linux.ibm.com>
3579
3580         PR ipa/69678
3581         * cgraph.c (symbol_table::create_edge): Init speculative_id and
3582         target_prob.
3583         (cgraph_edge::make_speculative): Add param for setting speculative_id
3584         and target_prob.
3585         (cgraph_edge::speculative_call_info): Update comments and find reference
3586         by speculative_id for multiple indirect targets.
3587         (cgraph_edge::resolve_speculation): Decrease the speculations
3588         for indirect edge, drop it's speculative if not direct target
3589         left. Update comments.
3590         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
3591         (cgraph_node::dump): Print num_speculative_call_targets.
3592         (cgraph_node::verify_node): Don't report error if speculative
3593         edge not include statement.
3594         (cgraph_edge::num_speculative_call_targets_p): New function.
3595         * cgraph.h (int common_target_id): Remove.
3596         (int common_target_probability): Remove.
3597         (num_speculative_call_targets): New variable.
3598         (make_speculative): Add param for setting speculative_id.
3599         (cgraph_edge::num_speculative_call_targets_p): New declare.
3600         (target_prob): New variable.
3601         (speculative_id): New variable.
3602         * ipa-fnsummary.c (analyze_function_body): Create and duplicate
3603           call summaries for multiple speculative call targets.
3604         * cgraphclones.c (cgraph_node::create_clone): Clone speculative_id.
3605         * ipa-profile.c (struct speculative_call_target): New struct.
3606         (class speculative_call_summary): New class.
3607         (class speculative_call_summaries): New class.
3608         (call_sums): New variable.
3609         (ipa_profile_generate_summary): Generate indirect multiple targets summaries.
3610         (ipa_profile_write_edge_summary): New function.
3611         (ipa_profile_write_summary): Stream out indirect multiple targets summaries.
3612         (ipa_profile_dump_all_summaries): New function.
3613         (ipa_profile_read_edge_summary): New function.
3614         (ipa_profile_read_summary_section): New function.
3615         (ipa_profile_read_summary): Stream in indirect multiple targets summaries.
3616         (ipa_profile): Generate num_speculative_call_targets from
3617         profile summaries.
3618         * ipa-ref.h (speculative_id): New variable.
3619         * ipa-utils.c (ipa_merge_profiles): Update with target_prob.
3620         * lto-cgraph.c (lto_output_edge): Remove indirect common_target_id and
3621         common_target_probability.   Stream out speculative_id and
3622         num_speculative_call_targets.
3623         (input_edge): Likewise.
3624         * predict.c (dump_prediction): Remove edges count assert to be
3625         precise.
3626         * symtab.c (symtab_node::create_reference): Init speculative_id.
3627         (symtab_node::clone_references): Clone speculative_id.
3628         (symtab_node::clone_referring): Clone speculative_id.
3629         (symtab_node::clone_reference): Clone speculative_id.
3630         (symtab_node::clear_stmts_in_references): Clear speculative_id.
3631         * tree-inline.c (copy_bb): Duplicate all the speculative edges
3632         if indirect call contains multiple speculative targets.
3633         * value-prof.h  (check_ic_target): Remove.
3634         * value-prof.c  (gimple_value_profile_transformations):
3635         Use void function gimple_ic_transform.
3636         * value-prof.c  (gimple_ic_transform): Handle topn case.
3637         Fix comment typos.  Change it to a void function.
3638
3639 2020-01-13  Andrew Pinski  <apinski@marvell.com>
3640
3641         * config/aarch64/aarch64-cores.def (octeontx2): New define.
3642         (octeontx2t98): New define.
3643         (octeontx2t96): New define.
3644         (octeontx2t93): New define.
3645         (octeontx2f95): New define.
3646         (octeontx2f95n): New define.
3647         (octeontx2f95mm): New define.
3648         * config/aarch64/aarch64-tune.md: Regenerate.
3649         * doc/invoke.texi (-mcpu=): Document the new cpu types.
3650
3651 2020-01-13  Jason Merrill  <jason@redhat.com>
3652
3653         PR c++/33799 - destroy return value if local cleanup throws.
3654         * gimplify.c (gimplify_return_expr): Handle COMPOUND_EXPR.
3655
3656 2020-01-13  Martin Liska  <mliska@suse.cz>
3657
3658         * ipa-cp.c (get_max_overall_size): Use newly
3659         renamed param param_ipa_cp_unit_growth.
3660         * params.opt: Remove legacy param name.
3661
3662 2020-01-13  Martin Sebor  <msebor@redhat.com>
3663
3664         PR tree-optimization/93213
3665         * tree-ssa-strlen.c (handle_store): Only allow single-byte nul-over-nul
3666         stores to be eliminated.
3667
3668 2020-01-13  Martin Liska  <mliska@suse.cz>
3669
3670         * opts.c (print_help): Do not print CL_PARAM
3671         and CL_WARNING for CL_OPTIMIZATION.
3672
3673 2020-01-13  Jonathan Wakely  <jwakely@redhat.com>
3674
3675         PR driver/92757
3676         * doc/invoke.texi (Warning Options): Add caveat about some warnings
3677         depending on optimization settings.
3678
3679 2020-01-13  Jakub Jelinek  <jakub@redhat.com>
3680
3681         PR tree-optimization/90838
3682         * tree-ssa-forwprop.c (simplify_count_trailing_zeroes): Use
3683         SCALAR_INT_TYPE_MODE directly in CTZ_DEFINED_VALUE_AT_ZERO macro
3684         argument rather than to initialize temporary for targets that
3685         don't use the mode argument at all.  Initialize ctzval to avoid
3686         warning at -O0.
3687
3688 2020-01-10  Thomas Schwinge  <thomas@codesourcery.com>
3689
3690         * tree.h (OMP_CLAUSE_USE_DEVICE_PTR_IF_PRESENT): New definition.
3691         * tree-core.h: Document it.
3692         * gimplify.c (gimplify_omp_workshare): Set it.
3693         * omp-low.c (lower_omp_target): Use it.
3694         * tree-pretty-print.c (dump_omp_clause): Print it.
3695
3696         * omp-low.c (lower_omp_target) <OMP_CLAUSE_USE_DEVICE_PTR etc.>:
3697         Assert that for OpenACC we always have 'GOMP_MAP_USE_DEVICE_PTR'.
3698
3699 2020-01-10  David Malcolm  <dmalcolm@redhat.com>
3700
3701         * Makefile.in (OBJS): Add tree-diagnostic-path.o.
3702         * common.opt (fdiagnostics-path-format=): New option.
3703         (diagnostic_path_format): New enum.
3704         (fdiagnostics-show-path-depths): New option.
3705         * coretypes.h (diagnostic_event_id_t): New forward decl.
3706         * diagnostic-color.c (color_dict): Add "path".
3707         * diagnostic-event-id.h: New file.
3708         * diagnostic-format-json.cc (json_from_expanded_location): Make
3709         non-static.
3710         (json_end_diagnostic): Call context->make_json_for_path if it
3711         exists and the diagnostic has a path.
3712         (diagnostic_output_format_init): Clear context->print_path.
3713         * diagnostic-path.h: New file.
3714         * diagnostic-show-locus.c (colorizer::set_range): Special-case
3715         when printing a run of events in a diagnostic_path so that they
3716         all get the same color.
3717         (layout::m_diagnostic_path_p): New field.
3718         (layout::layout): Initialize it.
3719         (layout::print_any_labels): Don't colorize the label text for an
3720         event in a diagnostic_path.
3721         (gcc_rich_location::add_location_if_nearby): Add
3722         "restrict_to_current_line_spans" and "label" params.  Pass the
3723         former to layout.maybe_add_location_range; pass the latter
3724         when calling add_range.
3725         * diagnostic.c: Include "diagnostic-path.h".
3726         (diagnostic_initialize): Initialize context->path_format and
3727         context->show_path_depths.
3728         (diagnostic_show_any_path): New function.
3729         (diagnostic_path::interprocedural_p): New function.
3730         (diagnostic_report_diagnostic): Call diagnostic_show_any_path.
3731         (simple_diagnostic_path::num_events): New function.
3732         (simple_diagnostic_path::get_event): New function.
3733         (simple_diagnostic_path::add_event): New function.
3734         (simple_diagnostic_event::simple_diagnostic_event): New ctor.
3735         (simple_diagnostic_event::~simple_diagnostic_event): New dtor.
3736         (debug): New overload taking a diagnostic_path *.
3737         * diagnostic.def (DK_DIAGNOSTIC_PATH): New.
3738         * diagnostic.h (enum diagnostic_path_format): New enum.
3739         (json::value): New forward decl.
3740         (diagnostic_context::path_format): New field.
3741         (diagnostic_context::show_path_depths): New field.
3742         (diagnostic_context::print_path): New callback field.
3743         (diagnostic_context::make_json_for_path): New callback field.
3744         (diagnostic_show_any_path): New decl.
3745         (json_from_expanded_location): New decl.
3746         * doc/invoke.texi (-fdiagnostics-path-format=): New option.
3747         (-fdiagnostics-show-path-depths): New option.
3748         (-fdiagnostics-color): Add "path" to description of default
3749         GCC_COLORS; describe it.
3750         (-fdiagnostics-format=json): Document how diagnostic paths are
3751         represented in the JSON output format.
3752         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
3753         Add optional params "restrict_to_current_line_spans" and "label".
3754         * opts.c (common_handle_option): Handle
3755         OPT_fdiagnostics_path_format_ and
3756         OPT_fdiagnostics_show_path_depths.
3757         * pretty-print.c: Include "diagnostic-event-id.h".
3758         (pp_format): Implement "%@" format code for printing
3759         diagnostic_event_id_t *.
3760         (selftest::test_pp_format): Add tests for "%@".
3761         * selftest-run-tests.c (selftest::run_tests): Call
3762         selftest::tree_diagnostic_path_cc_tests.
3763         * selftest.h (selftest::tree_diagnostic_path_cc_tests): New decl.
3764         * toplev.c (general_init): Initialize global_dc->path_format and
3765         global_dc->show_path_depths.
3766         * tree-diagnostic-path.cc: New file.
3767         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Make
3768         non-static.  Drop "diagnostic" param in favor of storing the
3769         original value of "where" and re-using it.
3770         (virt_loc_aware_diagnostic_finalizer): Update for dropped param of
3771         maybe_unwind_expanded_macro_loc.
3772         (tree_diagnostics_defaults): Initialize context->print_path and
3773         context->make_json_for_path.
3774         * tree-diagnostic.h (default_tree_diagnostic_path_printer): New
3775         decl.
3776         (default_tree_make_json_for_path): New decl.
3777         (maybe_unwind_expanded_macro_loc): New decl.
3778
3779 2020-01-10  Jakub Jelinek  <jakub@redhat.com>
3780
3781         PR tree-optimization/93210
3782         * fold-const.h (native_encode_initializer,
3783         can_native_interpret_type_p): Declare.
3784         * fold-const.c (native_encode_string): Fix up handling with off != -1,
3785         simplify.
3786         (native_encode_initializer): New function, moved from dwarf2out.c.
3787         Adjust to native_encode_expr compatible arguments, including dry-run
3788         and partial extraction modes.  Don't handle STRING_CST.
3789         (can_native_interpret_type_p): No longer static.
3790         * gimple-fold.c (fold_ctor_reference): For native_encode_expr, verify
3791         offset / BITS_PER_UNIT fits into int and don't call it if
3792         can_native_interpret_type_p fails.  If suboff is NULL and for
3793         CONSTRUCTOR fold_{,non}array_ctor_reference returns NULL, retry with
3794         native_encode_initializer.
3795         (fold_const_aggregate_ref_1): Formatting fix.
3796         * dwarf2out.c (native_encode_initializer): Moved to fold-const.c.
3797         (tree_add_const_value_attribute): Adjust caller.
3798
3799         PR tree-optimization/90838
3800         * tree-ssa-forwprop.c (simplify_count_trailing_zeroes): Use
3801         SCALAR_INT_TYPE_MODE instead of TYPE_MODE as operand of
3802         CTZ_DEFINED_VALUE_AT_ZERO.
3803
3804 2020-01-10  Vladimir Makarov  <vmakarov@redhat.com>
3805
3806         PR inline-asm/93027
3807         * lra-constraints.c (match_reload): Permit input operands have the
3808         same mode as output while other input operands have a different
3809         mode.
3810
3811 2020-01-10  Wilco Dijkstra  <wdijkstr@arm.com>
3812
3813         PR tree-optimization/90838
3814         * tree-ssa-forwprop.c (check_ctz_array): Add new function.
3815         (check_ctz_string): Likewise.
3816         (optimize_count_trailing_zeroes): Likewise.
3817         (simplify_count_trailing_zeroes): Likewise.
3818         (pass_forwprop::execute): Try ctz simplification.
3819         * match.pd: Add matching for ctz idioms.
3820
3821 2020-01-10  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3822
3823         * config/aarch64/aarch64.c (aarch64_invalid_conversion): New function
3824         for target hook.
3825         (aarch64_invalid_unary_op): New function for target hook.
3826         (aarch64_invalid_binary_op): New function for target hook.
3827
3828 2020-01-10  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3829
3830         * config.gcc: Add arm_bf16.h.
3831         * config/aarch64/aarch64-builtins.c
3832         (aarch64_simd_builtin_std_type): Add BFmode.
3833         (aarch64_init_simd_builtin_types): Define element types for vector
3834         types.
3835         (aarch64_init_bf16_types): New function.
3836         (aarch64_general_init_builtins): Add arm_init_bf16_types function call.
3837         * config/aarch64/aarch64-modes.def: Add BFmode and V4BF, V8BF vector
3838         modes.
3839         * config/aarch64/aarch64-simd-builtin-types.def: Add BF SIMD types.
3840         * config/aarch64/aarch64-simd.md: Add BF vector types to NEON move
3841         patterns.
3842         * config/aarch64/aarch64.h (AARCH64_VALID_SIMD_DREG_MODE): Add V4BF.
3843         (AARCH64_VALID_SIMD_QREG_MODE): Add V8BF.
3844         * config/aarch64/aarch64.c
3845         (aarch64_classify_vector_mode): Add support for BF types.
3846         (aarch64_gimplify_va_arg_expr): Add support for BF types.
3847         (aarch64_vq_mode): Add support for BF types.
3848         (aarch64_simd_container_mode): Add support for BF types.
3849         (aarch64_mangle_type): Add support for BF scalar type.
3850         * config/aarch64/aarch64.md: Add BFmode to movhf pattern.
3851         * config/aarch64/arm_bf16.h: New file.
3852         * config/aarch64/arm_neon.h: Add arm_bf16.h and Bfloat vector types.
3853         * config/aarch64/iterators.md: Add BF types to mode attributes.
3854         (HFBF, GPF_TF_F16_MOV, VDMOV, VQMOV, VQMOV_NO2Em VALL_F16MOV): New.
3855
3856 2020-01-10  Jason Merrill  <jason@redhat.com>
3857
3858         PR c++/93173 - incorrect tree sharing.
3859         * gimplify.c (copy_if_shared): No longer static.
3860         * gimplify.h: Declare it.
3861
3862 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3863
3864         * doc/invoke.texi (-msve-vector-bits=): Document that
3865         -msve-vector-bits=128 now generates VL-specific code for
3866         little-endian targets.
3867         * config/aarch64/aarch64-sve-builtins.cc (register_builtin_types): Use
3868         build_vector_type_for_mode to construct the data vector types.
3869         * config/aarch64/aarch64.c (aarch64_convert_sve_vector_bits): Generate
3870         VL-specific code for -msve-vector-bits=128 on little-endian targets.
3871         (aarch64_simd_container_mode): Always prefer Advanced SIMD modes
3872         for 128-bit vectors.
3873
3874 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3875
3876         * config/aarch64/aarch64.c (aarch64_evpc_sel): Fix gen_vcond_mask
3877         invocation.
3878
3879 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3880
3881         * config/aarch64/aarch64-builtins.c
3882         (aarch64_builtin_vectorized_function): Check for specific vector modes,
3883         rather than checking the number of elements and the element mode.
3884
3885 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3886
3887         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
3888         get_related_vectype_for_scalar_type rather than build_vector_type
3889         to create the index type for a conditional reduction.
3890
3891 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3892
3893         * tree-vect-loop.c (update_epilogue_loop_vinfo): Update DR_REF
3894         for any type of gather or scatter, including strided accesses.
3895
3896 2020-01-10  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3897
3898         * tree-vectorizer.h (get_dr_vinfo_offset): Add missing function
3899          comment.
3900
3901 2020-01-10  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3902
3903         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Use
3904         get_dr_vinfo_offset
3905         * tree-vect-loop.c (update_epilogue_loop_vinfo):  Remove orig_drs_init
3906         parameter and its use to reset DR_OFFSET's.
3907         (vect_transform_loop): Remove orig_drs_init argument.
3908         * tree-vect-loop-manip.c (vect_update_init_of_dr): Update the offset
3909         member of dr_vec_info rather than the offset of the associated
3910         data_reference's innermost_loop_behavior.
3911         (vect_update_init_of_dr): Pass dr_vec_info instead of data_reference.
3912         (vect_do_peeling): Remove orig_drs_init parameter and its construction.
3913         * tree-vect-stmts.c (check_scan_store): Replace use of DR_OFFSET with
3914         get_dr_vinfo_offset.
3915         (vectorizable_store): Likewise.
3916         (vectorizable_load): Likewise.
3917
3918 2020-01-10  Richard Biener  <rguenther@suse.de>
3919
3920         * gimple-ssa-store-merging
3921         (pass_store_merging::terminate_all_aliasing_chains): Cache alias info.
3922
3923 2020-01-10  Martin Liska  <mliska@suse.cz>
3924
3925         PR ipa/93217
3926         * ipa-inline-analysis.c (offline_size): Make proper parenthesis
3927         encapsulation that was there before r280040.
3928
3929 2020-01-10  Richard Biener  <rguenther@suse.de>
3930
3931         PR middle-end/93199
3932         * tree-eh.c (sink_clobbers): Move clobbers to out-of-IL
3933         sequences to avoid walking them again for secondary opportunities.
3934         (pass_lower_eh_dispatch::execute): Instead actually insert
3935         them here.
3936
3937 2020-01-10  Richard Biener  <rguenther@suse.de>
3938
3939         PR middle-end/93199
3940         * tree-eh.c (redirect_eh_edge_1): Avoid some work if possible.
3941         (cleanup_all_empty_eh): Walk landing pads in reverse order to
3942         avoid quadraticness.
3943
3944 2020-01-10  Martin Jambor  <mjambor@suse.cz>
3945
3946         * params.opt (param_ipa_sra_max_replacements): Mark as Optimization.
3947         * ipa-sra.c (pull_accesses_from_callee): New parameter caller, use it
3948         to get param_ipa_sra_max_replacements.
3949         (param_splitting_across_edge): Pass the caller to
3950         pull_accesses_from_callee.
3951
3952 2020-01-10  Martin Jambor  <mjambor@suse.cz>
3953
3954         * params.opt (param_ipcp_unit_growth): Mark as Optimization.
3955         * ipa-cp.c (max_new_size): Removed.
3956         (orig_overall_size): New variable.
3957         (get_max_overall_size): New function.
3958         (estimate_local_effects): Use it.  Adjust dump.
3959         (decide_about_value): Likewise.
3960         (ipcp_propagate_stage): Do not calculate max_new_size, just store
3961         orig_overall_size.  Adjust dump.
3962         (ipa_cp_c_finalize): Clear orig_overall_size instead of max_new_size.
3963
3964 2020-01-10  Martin Jambor  <mjambor@suse.cz>
3965
3966         * params.opt (param_ipa_max_agg_items): Mark as Optimization
3967         * ipa-cp.c (merge_agg_lats_step): New parameter max_agg_items, use
3968         instead of param_ipa_max_agg_items.
3969         (merge_aggregate_lattices): Extract param_ipa_max_agg_items from
3970         optimization info for the callee.
3971
3972 2020-01-09  Kwok Cheung Yeung  <kcy@codesourcery.com>
3973
3974         * lto-streamer-in.c (input_function): Remove streamed-in inline debug
3975         markers if debug_inline_points is false.
3976
3977 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
3978
3979         * config.gcc (aarch64*-*-*): Add aarch64-sve-builtins-sve2.o to
3980         extra_objs.
3981         * config/aarch64/t-aarch64 (aarch64-sve-builtins.o): Depend on
3982         aarch64-sve-builtins-base.def, aarch64-sve-builtins-sve2.def and
3983         aarch64-sve-builtins-sve2.h.
3984         (aarch64-sve-builtins-sve2.o): New rule.
3985         * config/aarch64/aarch64.h (AARCH64_ISA_SVE2_AES): New macro.
3986         (AARCH64_ISA_SVE2_BITPERM, AARCH64_ISA_SVE2_SHA3): Likewise.
3987         (AARCH64_ISA_SVE2_SM4, TARGET_SVE2_AES, TARGET_SVE2_BITPERM): Likewise.
3988         (TARGET_SVE2_SHA, TARGET_SVE2_SM4): Likewise.
3989         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Handle
3990         TARGET_SVE2_AES, TARGET_SVE2_BITPERM, TARGET_SVE2_SHA3 and
3991         TARGET_SVE2_SM4.
3992         * config/aarch64/aarch64-sve.md: Update comments with SVE2
3993         instructions that are handled here.
3994         (@cond_asrd<mode>): Generalize to...
3995         (@cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>): ...this.
3996         (*cond_asrd<mode>_2): Generalize to...
3997         (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_2): ...this.
3998         (*cond_asrd<mode>_z): Generalize to...
3999         (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_z): ...this.
4000         * config/aarch64/aarch64.md (UNSPEC_LDNT1_GATHER): New unspec.
4001         (UNSPEC_STNT1_SCATTER, UNSPEC_WHILEGE, UNSPEC_WHILEGT): Likewise.
4002         (UNSPEC_WHILEHI, UNSPEC_WHILEHS): Likewise.
4003         * config/aarch64/aarch64-sve2.md (@aarch64_gather_ldnt<mode>): New
4004         pattern.
4005         (@aarch64_gather_ldnt_<ANY_EXTEND:optab><SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
4006         (@aarch64_scatter_stnt<mode>): Likewise.
4007         (@aarch64_scatter_stnt_<SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
4008         (@aarch64_mul_lane_<mode>): Likewise.
4009         (@aarch64_sve_suqadd<mode>_const): Likewise.
4010         (*<sur>h<addsub><mode>): Generalize to...
4011         (@aarch64_pred_<SVE2_COND_INT_BINARY_REV:sve_int_op><mode>): ...this
4012         new pattern.
4013         (@cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>): New expander.
4014         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_2): New pattern.
4015         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_3): Likewise.
4016         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_any): Likewise.
4017         (*cond_<SVE2_COND_INT_BINARY_NOREV:sve_int_op><mode>_z): Likewise.
4018         (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op><mode>):: Likewise.
4019         (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op>_lane_<mode>): Likewise.
4020         (@aarch64_pred_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): Likewise.
4021         (@cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): New expander.
4022         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_2): New pattern.
4023         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_3): Likewise.
4024         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_any): Likewise.
4025         (@aarch64_sve_<SVE2_INT_TERNARY:sve_int_op><mode>): Likewise.
4026         (@aarch64_sve_<SVE2_INT_TERNARY_LANE:sve_int_op>_lane_<mode>)
4027         (@aarch64_sve_add_mul_lane_<mode>): Likewise.
4028         (@aarch64_sve_sub_mul_lane_<mode>): Likewise.
4029         (@aarch64_sve2_xar<mode>): Likewise.
4030         (@aarch64_sve2_bcax<mode>): Likewise.
4031         (*aarch64_sve2_eor3<mode>): Rename to...
4032         (@aarch64_sve2_eor3<mode>): ...this.
4033         (@aarch64_sve2_bsl<mode>): New expander.
4034         (@aarch64_sve2_nbsl<mode>): Likewise.
4035         (@aarch64_sve2_bsl1n<mode>): Likewise.
4036         (@aarch64_sve2_bsl2n<mode>): Likewise.
4037         (@aarch64_sve_add_<SHIFTRT:sve_int_op><mode>): Likewise.
4038         (*aarch64_sve2_sra<mode>): Add MOVPRFX support.
4039         (@aarch64_sve_add_<VRSHR_N:sve_int_op><mode>): New pattern.
4040         (@aarch64_sve_<SVE2_INT_SHIFT_INSERT:sve_int_op><mode>): Likewise.
4041         (@aarch64_sve2_<USMAX:su>aba<mode>): New expander.
4042         (*aarch64_sve2_<USMAX:su>aba<mode>): New pattern.
4043         (@aarch64_sve_<SVE2_INT_BINARY_WIDE:sve_int_op><mode>): Likewise.
4044         (<su>mull<bt><Vwide>): Generalize to...
4045         (@aarch64_sve_<SVE2_INT_BINARY_LONG:sve_int_op><mode>): ...this new
4046         pattern.
4047         (@aarch64_sve_<SVE2_INT_BINARY_LONG_lANE:sve_int_op>_lane_<mode>)
4048         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_LONG:sve_int_op><mode>)
4049         (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG:sve_int_op><mode>)
4050         (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
4051         (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG:sve_int_op><mode>)
4052         (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
4053         (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG:sve_int_op><mode>)
4054         (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
4055         (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG:sve_int_op><mode>)
4056         (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
4057         (@aarch64_sve_<SVE2_FP_TERNARY_LONG:sve_fp_op><mode>): New patterns.
4058         (@aarch64_<SVE2_FP_TERNARY_LONG_LANE:sve_fp_op>_lane_<mode>)
4059         (@aarch64_sve_<SVE2_INT_UNARY_NARROWB:sve_int_op><mode>): Likewise.
4060         (@aarch64_sve_<SVE2_INT_UNARY_NARROWT:sve_int_op><mode>): Likewise.
4061         (@aarch64_sve_<SVE2_INT_BINARY_NARROWB:sve_int_op><mode>): Likewise.
4062         (@aarch64_sve_<SVE2_INT_BINARY_NARROWT:sve_int_op><mode>): Likewise.
4063         (<SHRNB:r>shrnb<mode>): Generalize to...
4064         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWB:sve_int_op><mode>): ...this
4065         new pattern.
4066         (<SHRNT:r>shrnt<mode>): Generalize to...
4067         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWT:sve_int_op><mode>): ...this
4068         new pattern.
4069         (@aarch64_pred_<SVE2_INT_BINARY_PAIR:sve_int_op><mode>): New pattern.
4070         (@aarch64_pred_<SVE2_FP_BINARY_PAIR:sve_fp_op><mode>): Likewise.
4071         (@cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>): New expander.
4072         (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_2): New pattern.
4073         (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_z): Likewise.
4074         (@aarch64_sve_<SVE2_INT_CADD:optab><mode>): Likewise.
4075         (@aarch64_sve_<SVE2_INT_CMLA:optab><mode>): Likewise.
4076         (@aarch64_<SVE2_INT_CMLA:optab>_lane_<mode>): Likewise.
4077         (@aarch64_sve_<SVE2_INT_CDOT:optab><mode>): Likewise.
4078         (@aarch64_<SVE2_INT_CDOT:optab>_lane_<mode>): Likewise.
4079         (@aarch64_pred_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): Likewise.
4080         (@cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New expander.
4081         (*cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New pattern.
4082         (@aarch64_sve2_cvtnt<mode>): Likewise.
4083         (@aarch64_pred_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): Likewise.
4084         (@cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): New expander.
4085         (*cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>_any): New pattern.
4086         (@aarch64_sve2_cvtxnt<mode>): Likewise.
4087         (@aarch64_pred_<SVE2_U32_UNARY:sve_int_op><mode>): Likewise.
4088         (@cond_<SVE2_U32_UNARY:sve_int_op><mode>): New expander.
4089         (*cond_<SVE2_U32_UNARY:sve_int_op><mode>): New pattern.
4090         (@aarch64_pred_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): Likewise.
4091         (@cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New expander.
4092         (*cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New pattern.
4093         (@aarch64_sve2_pmul<mode>): Likewise.
4094         (@aarch64_sve_<SVE2_PMULL:optab><mode>): Likewise.
4095         (@aarch64_sve_<SVE2_PMULL_PAIR:optab><mode>): Likewise.
4096         (@aarch64_sve2_tbl2<mode>): Likewise.
4097         (@aarch64_sve2_tbx<mode>): Likewise.
4098         (@aarch64_sve_<SVE2_INT_BITPERM:sve_int_op><mode>): Likewise.
4099         (@aarch64_sve2_histcnt<mode>): Likewise.
4100         (@aarch64_sve2_histseg<mode>): Likewise.
4101         (@aarch64_pred_<SVE2_MATCH:sve_int_op><mode>): Likewise.
4102         (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_cc): Likewise.
4103         (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_ptest): Likewise.
4104         (aarch64_sve2_aes<CRYPTO_AES:aes_op>): Likewise.
4105         (aarch64_sve2_aes<CRYPTO_AESMC:aesmc_op>): Likewise.
4106         (*aarch64_sve2_aese_fused, *aarch64_sve2_aesd_fused): Likewise.
4107         (aarch64_sve2_rax1, aarch64_sve2_sm4e, aarch64_sve2_sm4ekey): Likewise.
4108         (<su>mulh<r>s<mode>3): Update after above pattern name changes.
4109         * config/aarch64/iterators.md (VNx16QI_ONLY, VNx4SF_ONLY)
4110         (SVE_STRUCT2, SVE_FULL_BHI, SVE_FULL_HSI, SVE_FULL_HDI)
4111         (SVE2_PMULL_PAIR_I): New mode iterators.
4112         (UNSPEC_ADCLB, UNSPEC_ADCLT, UNSPEC_ADDHNB, UNSPEC_ADDHNT, UNSPEC_BDEP)
4113         (UNSPEC_BEXT, UNSPEC_BGRP, UNSPEC_CADD90, UNSPEC_CADD270, UNSPEC_CDOT)
4114         (UNSPEC_CDOT90, UNSPEC_CDOT180, UNSPEC_CDOT270, UNSPEC_CMLA)
4115         (UNSPEC_CMLA90, UNSPEC_CMLA180, UNSPEC_CMLA270, UNSPEC_COND_FCVTLT)
4116         (UNSPEC_COND_FCVTNT, UNSPEC_COND_FCVTX, UNSPEC_COND_FCVTXNT)
4117         (UNSPEC_COND_FLOGB, UNSPEC_EORBT, UNSPEC_EORTB, UNSPEC_FADDP)
4118         (UNSPEC_FMAXP, UNSPEC_FMAXNMP, UNSPEC_FMLALB, UNSPEC_FMLALT)
4119         (UNSPEC_FMLSLB, UNSPEC_FMLSLT, UNSPEC_FMINP, UNSPEC_FMINNMP)
4120         (UNSPEC_HISTCNT, UNSPEC_HISTSEG, UNSPEC_MATCH, UNSPEC_NMATCH)
4121         (UNSPEC_PMULLB, UNSPEC_PMULLB_PAIR, UNSPEC_PMULLT, UNSPEC_PMULLT_PAIR)
4122         (UNSPEC_RADDHNB, UNSPEC_RADDHNT, UNSPEC_RSUBHNB, UNSPEC_RSUBHNT)
4123         (UNSPEC_SLI, UNSPEC_SRI, UNSPEC_SABDLB, UNSPEC_SABDLT, UNSPEC_SADDLB)
4124         (UNSPEC_SADDLBT, UNSPEC_SADDLT, UNSPEC_SADDWB, UNSPEC_SADDWT)
4125         (UNSPEC_SBCLB, UNSPEC_SBCLT, UNSPEC_SMAXP, UNSPEC_SMINP)
4126         (UNSPEC_SQCADD90, UNSPEC_SQCADD270, UNSPEC_SQDMULLB, UNSPEC_SQDMULLBT)
4127         (UNSPEC_SQDMULLT, UNSPEC_SQRDCMLAH, UNSPEC_SQRDCMLAH90)
4128         (UNSPEC_SQRDCMLAH180, UNSPEC_SQRDCMLAH270, UNSPEC_SQRSHRNB)
4129         (UNSPEC_SQRSHRNT, UNSPEC_SQRSHRUNB, UNSPEC_SQRSHRUNT, UNSPEC_SQSHRNB)
4130         (UNSPEC_SQSHRNT, UNSPEC_SQSHRUNB, UNSPEC_SQSHRUNT, UNSPEC_SQXTNB)
4131         (UNSPEC_SQXTNT, UNSPEC_SQXTUNB, UNSPEC_SQXTUNT, UNSPEC_SSHLLB)
4132         (UNSPEC_SSHLLT, UNSPEC_SSUBLB, UNSPEC_SSUBLBT, UNSPEC_SSUBLT)
4133         (UNSPEC_SSUBLTB, UNSPEC_SSUBWB, UNSPEC_SSUBWT, UNSPEC_SUBHNB)
4134         (UNSPEC_SUBHNT, UNSPEC_TBL2, UNSPEC_UABDLB, UNSPEC_UABDLT)
4135         (UNSPEC_UADDLB, UNSPEC_UADDLT, UNSPEC_UADDWB, UNSPEC_UADDWT)
4136         (UNSPEC_UMAXP, UNSPEC_UMINP, UNSPEC_UQRSHRNB, UNSPEC_UQRSHRNT)
4137         (UNSPEC_UQSHRNB, UNSPEC_UQSHRNT, UNSPEC_UQXTNB, UNSPEC_UQXTNT)
4138         (UNSPEC_USHLLB, UNSPEC_USHLLT, UNSPEC_USUBLB, UNSPEC_USUBLT)
4139         (UNSPEC_USUBWB, UNSPEC_USUBWT): New unspecs.
4140         (UNSPEC_SMULLB, UNSPEC_SMULLT, UNSPEC_UMULLB, UNSPEC_UMULLT)
4141         (UNSPEC_SMULHS, UNSPEC_SMULHRS, UNSPEC_UMULHS, UNSPEC_UMULHRS)
4142         (UNSPEC_RSHRNB, UNSPEC_RSHRNT, UNSPEC_SHRNB, UNSPEC_SHRNT): Move
4143         further down file.
4144         (VNARROW, Ventype): New mode attributes.
4145         (Vewtype): Handle VNx2DI.  Fix typo in comment.
4146         (VDOUBLE): New mode attribute.
4147         (sve_lane_con): Handle VNx8HI.
4148         (SVE_INT_UNARY): Include ss_abs and ss_neg for TARGET_SVE2.
4149         (SVE_INT_BINARY): Likewise ss_plus, us_plus, ss_minus and us_minus.
4150         (sve_int_op, sve_int_op_rev): Handle the above codes.
4151         (sve_pred_int_rhs2_operand): Likewise.
4152         (MULLBT, SHRNB, SHRNT): Delete.
4153         (SVE_INT_SHIFT_IMM): New int iterator.
4154         (SVE_WHILE): Add UNSPEC_WHILEGE, UNSPEC_WHILEGT, UNSPEC_WHILEHI
4155         and UNSPEC_WHILEHS for TARGET_SVE2.
4156         (SVE2_U32_UNARY, SVE2_INT_UNARY_NARROWB, SVE2_INT_UNARY_NARROWT)
4157         (SVE2_INT_BINARY, SVE2_INT_BINARY_LANE, SVE2_INT_BINARY_LONG)
4158         (SVE2_INT_BINARY_LONG_LANE, SVE2_INT_BINARY_NARROWB)
4159         (SVE2_INT_BINARY_NARROWT, SVE2_INT_BINARY_PAIR, SVE2_FP_BINARY_PAIR)
4160         (SVE2_INT_BINARY_PAIR_LONG, SVE2_INT_BINARY_WIDE): New int iterators.
4161         (SVE2_INT_SHIFT_IMM_LONG, SVE2_INT_SHIFT_IMM_NARROWB): Likewise.
4162         (SVE2_INT_SHIFT_IMM_NARROWT, SVE2_INT_SHIFT_INSERT, SVE2_INT_CADD)
4163         (SVE2_INT_BITPERM, SVE2_INT_TERNARY, SVE2_INT_TERNARY_LANE): Likewise.
4164         (SVE2_FP_TERNARY_LONG, SVE2_FP_TERNARY_LONG_LANE, SVE2_INT_CMLA)
4165         (SVE2_INT_CDOT, SVE2_INT_ADD_BINARY_LONG, SVE2_INT_QADD_BINARY_LONG)
4166         (SVE2_INT_SUB_BINARY_LONG, SVE2_INT_QSUB_BINARY_LONG): Likewise.
4167         (SVE2_INT_ADD_BINARY_LONG_LANE, SVE2_INT_QADD_BINARY_LONG_LANE)
4168         (SVE2_INT_SUB_BINARY_LONG_LANE, SVE2_INT_QSUB_BINARY_LONG_LANE)
4169         (SVE2_COND_INT_UNARY_FP, SVE2_COND_FP_UNARY_LONG): Likewise.
4170         (SVE2_COND_FP_UNARY_NARROWB, SVE2_COND_INT_BINARY): Likewise.
4171         (SVE2_COND_INT_BINARY_NOREV, SVE2_COND_INT_BINARY_REV): Likewise.
4172         (SVE2_COND_INT_SHIFT, SVE2_MATCH, SVE2_PMULL): Likewise.
4173         (optab): Handle the new unspecs.
4174         (su, r): Remove entries for UNSPEC_SHRNB, UNSPEC_SHRNT, UNSPEC_RSHRNB
4175         and UNSPEC_RSHRNT.
4176         (lr): Handle the new unspecs.
4177         (bt): Delete.
4178         (cmp_op, while_optab_cmp, sve_int_op): Handle the new unspecs.
4179         (sve_int_op_rev, sve_int_add_op, sve_int_qadd_op, sve_int_sub_op)
4180         (sve_int_qsub_op): New int attributes.
4181         (sve_fp_op, rot): Handle the new unspecs.
4182         * config/aarch64/aarch64-sve-builtins.h
4183         (function_resolver::require_matching_pointer_type): Declare.
4184         (function_resolver::resolve_unary): Add an optional boolean argument.
4185         (function_resolver::finish_opt_n_resolution): Add an optional
4186         type_suffix_index argument.
4187         (gimple_folder::redirect_call): Declare.
4188         (gimple_expander::prepare_gather_address_operands): Add an optional
4189         bool parameter.
4190         * config/aarch64/aarch64-sve-builtins.cc: Include
4191         aarch64-sve-builtins-sve2.h.
4192         (TYPES_b_unsigned, TYPES_b_integer, TYPES_bh_integer): New macros.
4193         (TYPES_bs_unsigned, TYPES_hs_signed, TYPES_hs_integer): Likewise.
4194         (TYPES_hd_unsigned, TYPES_hsd_signed): Likewise.
4195         (TYPES_hsd_integer): Use TYPES_hsd_signed.
4196         (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): New macros.
4197         (TYPES_s_unsigned): Likewise.
4198         (TYPES_s_integer): Use TYPES_s_unsigned.
4199         (TYPES_sd_signed, TYPES_sd_unsigned): New macros.
4200         (TYPES_sd_integer): Use them.
4201         (TYPES_d_unsigned): New macro.
4202         (TYPES_d_integer): Use it.
4203         (TYPES_d_data, TYPES_cvt_long, TYPES_cvt_narrow_s): New macros.
4204         (TYPES_cvt_narrow): Likewise.
4205         (DEF_SVE_TYPES_ARRAY): Include the new types macros above.
4206         (preds_mx): New variable.
4207         (function_builder::add_overloaded_function): Allow the new feature
4208         set to be more restrictive than the original one.
4209         (function_resolver::infer_pointer_type): Remove qualifiers from
4210         the pointer type before printing it.
4211         (function_resolver::require_matching_pointer_type): New function.
4212         (function_resolver::resolve_sv_displacement): Handle functions
4213         that don't support 32-bit vector indices or svint32_t vector offsets.
4214         (function_resolver::finish_opt_n_resolution): Take the inferred type
4215         as a separate argument.
4216         (function_resolver::resolve_unary): Optionally treat all forms in
4217         the same way as normal merging functions.
4218         (gimple_folder::redirect_call): New function.
4219         (function_expander::prepare_gather_address_operands): Add an argument
4220         that says whether scaled forms are available.  If they aren't,
4221         handle scaling of vector indices and don't add the extension and
4222         scaling operands.
4223         (function_expander::map_to_unspecs): If aarch64_sve isn't available,
4224         fall back to using cond_* instead.
4225         * config/aarch64/aarch64-sve-builtins-functions.h (rtx_code_function):
4226         Split out the member variables into...
4227         (rtx_code_function_base): ...this new base class.
4228         (rtx_code_function_rotated): Inherit rtx_code_function_base.
4229         (unspec_based_function): Split out the member variables into...
4230         (unspec_based_function_base): ...this new base class.
4231         (unspec_based_function_rotated): Inherit unspec_based_function_base.
4232         (unspec_based_function_exact_insn): New class.
4233         (unspec_based_add_function, unspec_based_add_lane_function)
4234         (unspec_based_lane_function, unspec_based_pred_function)
4235         (unspec_based_qadd_function, unspec_based_qadd_lane_function)
4236         (unspec_based_qsub_function, unspec_based_qsub_lane_function)
4237         (unspec_based_sub_function, unspec_based_sub_lane_function): New
4238         typedefs.
4239         (unspec_based_fused_function): New class.
4240         (unspec_based_mla_function, unspec_based_mls_function): New typedefs.
4241         (unspec_based_fused_lane_function): New class.
4242         (unspec_based_mla_lane_function, unspec_based_mls_lane_function): New
4243         typedefs.
4244         (CODE_FOR_MODE1): New macro.
4245         (fixed_insn_function): New class.
4246         (while_comparison): Likewise.
4247         * config/aarch64/aarch64-sve-builtins-shapes.h (binary_long_lane)
4248         (binary_long_opt_n, binary_narrowb_opt_n, binary_narrowt_opt_n)
4249         (binary_to_uint, binary_wide, binary_wide_opt_n, compare, compare_ptr)
4250         (load_ext_gather_index_restricted, load_ext_gather_offset_restricted)
4251         (load_gather_sv_restricted, shift_left_imm_long): Declare.
4252         (shift_left_imm_to_uint, shift_right_imm_narrowb): Likewise.
4253         (shift_right_imm_narrowt, shift_right_imm_narrowb_to_uint): Likewise.
4254         (shift_right_imm_narrowt_to_uint, store_scatter_index_restricted)
4255         (store_scatter_offset_restricted, tbl_tuple, ternary_long_lane)
4256         (ternary_long_opt_n, ternary_qq_lane_rotate, ternary_qq_rotate)
4257         (ternary_shift_left_imm, ternary_shift_right_imm, ternary_uint)
4258         (unary_convert_narrowt, unary_long, unary_narrowb, unary_narrowt)
4259         (unary_narrowb_to_uint, unary_narrowt_to_uint, unary_to_int): Likewise.
4260         * config/aarch64/aarch64-sve-builtins-shapes.cc (apply_predication):
4261         Also add an initial argument for unary_convert_narrowt, regardless
4262         of the predication type.
4263         (build_32_64): Allow loads and stores to specify MODE_none.
4264         (build_sv_index64, build_sv_uint_offset): New functions.
4265         (long_type_suffix): New function.
4266         (binary_imm_narrowb_base, binary_imm_narrowt_base): New classes.
4267         (binary_imm_long_base, load_gather_sv_base): Likewise.
4268         (shift_right_imm_narrow_wrapper, ternary_shift_imm_base): Likewise.
4269         (ternary_resize2_opt_n_base, ternary_resize2_lane_base): Likewise.
4270         (unary_narrowb_base, unary_narrowt_base): Likewise.
4271         (binary_long_lane_def, binary_long_lane): New shape.
4272         (binary_long_opt_n_def, binary_long_opt_n): Likewise.
4273         (binary_narrowb_opt_n_def, binary_narrowb_opt_n): Likewise.
4274         (binary_narrowt_opt_n_def, binary_narrowt_opt_n): Likewise.
4275         (binary_to_uint_def, binary_to_uint): Likewise.
4276         (binary_wide_def, binary_wide): Likewise.
4277         (binary_wide_opt_n_def, binary_wide_opt_n): Likewise.
4278         (compare_def, compare): Likewise.
4279         (compare_ptr_def, compare_ptr): Likewise.
4280         (load_ext_gather_index_restricted_def,
4281         load_ext_gather_index_restricted): Likewise.
4282         (load_ext_gather_offset_restricted_def,
4283         load_ext_gather_offset_restricted): Likewise.
4284         (load_gather_sv_def): Inherit from load_gather_sv_base.
4285         (load_gather_sv_restricted_def, load_gather_sv_restricted): New shape.
4286         (shift_left_imm_def, shift_left_imm): Likewise.
4287         (shift_left_imm_long_def, shift_left_imm_long): Likewise.
4288         (shift_left_imm_to_uint_def, shift_left_imm_to_uint): Likewise.
4289         (store_scatter_index_restricted_def,
4290         store_scatter_index_restricted): Likewise.
4291         (store_scatter_offset_restricted_def,
4292         store_scatter_offset_restricted): Likewise.
4293         (tbl_tuple_def, tbl_tuple): Likewise.
4294         (ternary_long_lane_def, ternary_long_lane): Likewise.
4295         (ternary_long_opt_n_def, ternary_long_opt_n): Likewise.
4296         (ternary_qq_lane_def): Inherit from ternary_resize2_lane_base.
4297         (ternary_qq_lane_rotate_def, ternary_qq_lane_rotate): New shape
4298         (ternary_qq_opt_n_def): Inherit from ternary_resize2_opt_n_base.
4299         (ternary_qq_rotate_def, ternary_qq_rotate): New shape.
4300         (ternary_shift_left_imm_def, ternary_shift_left_imm): Likewise.
4301         (ternary_shift_right_imm_def, ternary_shift_right_imm): Likewise.
4302         (ternary_uint_def, ternary_uint): Likewise.
4303         (unary_convert): Fix typo in comment.
4304         (unary_convert_narrowt_def, unary_convert_narrowt): New shape.
4305         (unary_long_def, unary_long): Likewise.
4306         (unary_narrowb_def, unary_narrowb): Likewise.
4307         (unary_narrowt_def, unary_narrowt): Likewise.
4308         (unary_narrowb_to_uint_def, unary_narrowb_to_uint): Likewise.
4309         (unary_narrowt_to_uint_def, unary_narrowt_to_uint): Likewise.
4310         (unary_to_int_def, unary_to_int): Likewise.
4311         * config/aarch64/aarch64-sve-builtins-base.cc (unspec_cmla)
4312         (unspec_fcmla, unspec_cond_fcmla, expand_mla_mls_lane): New functions.
4313         (svasrd_impl): Delete.
4314         (svcadd_impl::expand): Handle integer operations too.
4315         (svcmla_impl::expand, svcmla_lane::expand): Likewise, using the
4316         new functions to derive the unspec numbers.
4317         (svmla_svmls_lane_impl): Replace with...
4318         (svmla_lane_impl, svmls_lane_impl): ...these new classes.  Handle
4319         integer operations too.
4320         (svwhile_impl): Rename to...
4321         (svwhilelx_impl): ...this and inherit from while_comparison.
4322         (svasrd): Use unspec_based_function.
4323         (svmla_lane): Use svmla_lane_impl.
4324         (svmls_lane): Use svmls_lane_impl.
4325         (svrecpe, svrsqrte): Handle unsigned integer operations too.
4326         (svwhilele, svwhilelt): Use svwhilelx_impl.
4327         * config/aarch64/aarch64-sve-builtins-sve2.h: New file.
4328         * config/aarch64/aarch64-sve-builtins-sve2.cc: Likewise.
4329         * config/aarch64/aarch64-sve-builtins-sve2.def: Likewise.
4330         * config/aarch64/aarch64-sve-builtins.def: Include
4331         aarch64-sve-builtins-sve2.def.
4332
4333 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4334
4335         * config/aarch64/aarch64-protos.h (aarch64_sve_arith_immediate_p)
4336         (aarch64_sve_sqadd_sqsub_immediate_p): Add a machine_mode argument.
4337         * config/aarch64/aarch64.c (aarch64_sve_arith_immediate_p)
4338         (aarch64_sve_sqadd_sqsub_immediate_p): Likewise.  Handle scalar
4339         immediates as well as vector ones.
4340         * config/aarch64/predicates.md (aarch64_sve_arith_immediate)
4341         (aarch64_sve_sub_arith_immediate, aarch64_sve_qadd_immediate)
4342         (aarch64_sve_qsub_immediate): Update calls accordingly.
4343
4344 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4345
4346         * config/aarch64/aarch64-sve2.md: Add banner comments.
4347         (<su>mulh<r>s<mode>3): Move further up file.
4348         (<su>mull<bt><Vwide>, <r>shrnb<mode>, <r>shrnt<mode>)
4349         (*aarch64_sve2_sra<mode>): Move further down file.
4350         * config/aarch64/t-aarch64 (s-check-sve-md): Check aarch64-sve2.md too.
4351
4352 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4353
4354         * config/aarch64/iterators.md (SVE_WHILE): Add UNSPEC_WHILERW
4355         and UNSPEC_WHILEWR.
4356         (while_optab_cmp): Handle them.
4357         * config/aarch64/aarch64-sve.md
4358         (*while_<while_optab_cmp><GPI:mode><PRED_ALL:mode>_ptest): Make public
4359         and add a "@" marker.
4360         * config/aarch64/aarch64-sve2.md (check_<raw_war>_ptrs<mode>): Use it
4361         instead of gen_aarch64_sve2_while_ptest.
4362         (@aarch64_sve2_while<cmp_op><GPI:mode><PRED_ALL:mode>_ptest): Delete.
4363
4364 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4365
4366         * config/aarch64/aarch64.md (UNSPEC_WHILE_LE): Rename to...
4367         (UNSPEC_WHILELE): ...this.
4368         (UNSPEC_WHILE_LO): Rename to...
4369         (UNSPEC_WHILELO): ...this.
4370         (UNSPEC_WHILE_LS): Rename to...
4371         (UNSPEC_WHILELS): ...this.
4372         (UNSPEC_WHILE_LT): Rename to...
4373         (UNSPEC_WHILELT): ...this.
4374         * config/aarch64/iterators.md (SVE_WHILE): Update accordingly.
4375         (cmp_op, while_optab_cmp): Likewise.
4376         * config/aarch64/aarch64.c (aarch64_sve_move_pred_via_while): Likewise.
4377         * config/aarch64/aarch64-sve-builtins-base.cc (svwhilele): Likewise.
4378         (svwhilelt): Likewise.
4379
4380 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4381
4382         * config/aarch64/aarch64-sve-builtins-shapes.h (unary_count): Delete.
4383         (unary_to_uint): Define.
4384         * config/aarch64/aarch64-sve-builtins-shapes.cc (unary_count_def)
4385         (unary_count): Rename to...
4386         (unary_to_uint_def, unary_to_uint): ...this.
4387         * config/aarch64/aarch64-sve-builtins-base.def: Update accordingly.
4388
4389 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4390
4391         * config/aarch64/aarch64-sve-builtins-functions.h
4392         (code_for_mode_function): New class.
4393         (CODE_FOR_MODE0, QUIET_CODE_FOR_MODE0): New macros.
4394         * config/aarch64/aarch64-sve-builtins-base.cc (svcompact_impl)
4395         (svext_impl, svmul_lane_impl, svsplice_impl, svtmad_impl): Delete.
4396         (svcompact, svext, svsplice): Use QUIET_CODE_FOR_MODE0.
4397         (svmul_lane, svtmad): Use CODE_FOR_MODE0.
4398
4399 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4400
4401         * config/aarch64/iterators.md (addsub): New code attribute.
4402         * config/aarch64/aarch64-simd.md (aarch64_<su_optab><optab><mode>):
4403         Re-express as...
4404         (aarch64_<su_optab>q<addsub><mode>): ...this, making the same change
4405         in the asm string and attributes.  Fix indentation.
4406         * config/aarch64/aarch64-sve.md (@aarch64_<su_optab><optab><mode>):
4407         Re-express as...
4408         (@aarch64_sve_<optab><mode>): ...this.
4409         * config/aarch64/aarch64-sve-builtins.h
4410         (function_expander::expand_signed_unpred_op): Delete.
4411         * config/aarch64/aarch64-sve-builtins.cc
4412         (function_expander::expand_signed_unpred_op): Likewise.
4413         (function_expander::map_to_rtx_codes): If the optab isn't defined,
4414         try using code_for_aarch64_sve instead.
4415         * config/aarch64/aarch64-sve-builtins-base.cc (svqadd_impl): Delete.
4416         (svqsub_impl): Likewise.
4417         (svqadd, svqsub): Use rtx_code_function instead.
4418
4419 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4420
4421         * config/aarch64/iterators.md (SRHSUB, URHSUB): Delete.
4422         (HADDSUB, sur, addsub): Remove them.
4423
4424 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4425
4426         * tree-nrv.c (pass_return_slot::execute): Handle all internal
4427         functions the same way, rather than singling out those that
4428         aren't mapped directly to optabs.
4429
4430 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4431
4432         * target.def (compatible_vector_types_p): New target hook.
4433         * hooks.h (hook_bool_const_tree_const_tree_true): Declare.
4434         * hooks.c (hook_bool_const_tree_const_tree_true): New function.
4435         * doc/tm.texi.in (TARGET_COMPATIBLE_VECTOR_TYPES_P): New hook.
4436         * doc/tm.texi: Regenerate.
4437         * gimple-expr.c: Include target.h.
4438         (useless_type_conversion_p): Use targetm.compatible_vector_types_p.
4439         * config/aarch64/aarch64.c (aarch64_compatible_vector_types_p): New
4440         function.
4441         (TARGET_COMPATIBLE_VECTOR_TYPES_P): Define.
4442         * config/aarch64/aarch64-sve-builtins.cc (gimple_folder::convert_pred):
4443         Use the original predicate if it already has a suitable type.
4444
4445 2020-01-09  Martin Jambor  <mjambor@suse.cz>
4446
4447         * cgraph.h (cgraph_edge): Make remove, set_call_stmt, make_direct,
4448         resolve_speculation and redirect_call_stmt_to_callee static.  Change
4449         return type of set_call_stmt to cgraph_edge *.
4450         * auto-profile.c (afdo_indirect_call): Adjust call to
4451         redirect_call_stmt_to_callee.
4452         * cgraph.c (cgraph_edge::set_call_stmt): Make return cgraph-edge *,
4453         make the this pointer explicit, adjust self-recursive calls and the
4454         call top make_direct.  Return the resulting edge.
4455         (cgraph_edge::remove): Make this pointer explicit.
4456         (cgraph_edge::resolve_speculation): Likewise, adjust call to remove.
4457         (cgraph_edge::make_direct): Likewise, adjust call to
4458         resolve_speculation.
4459         (cgraph_edge::redirect_call_stmt_to_callee): Likewise, also adjust
4460         call to set_call_stmt.
4461         (cgraph_update_edges_for_call_stmt_node): Update call to
4462         set_call_stmt and remove.
4463         * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
4464         Renamed edge to master_edge.  Adjusted calls to set_call_stmt.
4465         (cgraph_node::create_edge_including_clones): Moved "first" definition
4466         of edge to the block where it was used.  Adjusted calls to
4467         set_call_stmt.
4468         (cgraph_node::remove_symbol_and_inline_clones): Adjust call to
4469         cgraph_edge::remove.
4470         * cgraphunit.c (walk_polymorphic_call_targets): Adjusted calls to
4471         make_direct and redirect_call_stmt_to_callee.
4472         * ipa-fnsummary.c (redirect_to_unreachable): Adjust calls to
4473         resolve_speculation and make_direct.
4474         * ipa-inline-transform.c (inline_transform): Adjust call to
4475         redirect_call_stmt_to_callee.
4476         (check_speculations_1):: Adjust call to resolve_speculation.
4477         * ipa-inline.c (resolve_noninline_speculation): Adjust call to
4478         resolve-speculation.
4479         (inline_small_functions): Adjust call to resolve_speculation.
4480         (ipa_inline): Likewise.
4481         * ipa-prop.c (ipa_make_edge_direct_to_target): Adjust call to
4482         make_direct.
4483         * ipa-visibility.c (function_and_variable_visibility): Make iteration
4484         safe with regards to edge removal, adjust calls to
4485         redirect_call_stmt_to_callee.
4486         * ipa.c (walk_polymorphic_call_targets): Adjust calls to make_direct
4487         and redirect_call_stmt_to_callee.
4488         * multiple_target.c (create_dispatcher_calls): Adjust call to
4489         redirect_call_stmt_to_callee
4490         (redirect_to_specific_clone): Likewise.
4491         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
4492         Adjust calls to cgraph_edge::remove.
4493         * tree-inline.c (copy_bb): Adjust call to set_call_stmt.
4494         (redirect_all_calls): Adjust call to redirect_call_stmt_to_callee.
4495         (expand_call_inline): Adjust call to cgraph_edge::remove.
4496
4497 2020-01-09  Martin Liska  <mliska@suse.cz>
4498
4499         * params.opt: Set Optimization for
4500         param_max_speculative_devirt_maydefs.
4501
4502 2020-01-09  Martin Sebor  <msebor@redhat.com>
4503
4504         PR middle-end/93200
4505         PR fortran/92956
4506         * builtins.c (compute_objsize): Avoid handling MEM_REFs of vector type.
4507
4508 2020-01-09  Martin Liska  <mliska@suse.cz>
4509
4510         * auto-profile.c (auto_profile): Use opt_for_fn
4511         for a parameter.
4512         * ipa-cp.c (ipcp_lattice::add_value): Likewise.
4513         (propagate_vals_across_arith_jfunc): Likewise.
4514         (hint_time_bonus): Likewise.
4515         (incorporate_penalties): Likewise.
4516         (good_cloning_opportunity_p): Likewise.
4517         (perform_estimation_of_a_value): Likewise.
4518         (estimate_local_effects): Likewise.
4519         (ipcp_propagate_stage): Likewise.
4520         * ipa-fnsummary.c (decompose_param_expr): Likewise.
4521         (set_switch_stmt_execution_predicate): Likewise.
4522         (analyze_function_body): Likewise.
4523         * ipa-inline-analysis.c (offline_size): Likewise.
4524         * ipa-inline.c (early_inliner): Likewise.
4525         * ipa-prop.c (ipa_analyze_node): Likewise.
4526         (ipcp_transform_function): Likewise.
4527         * ipa-sra.c (process_scan_results): Likewise.
4528         (ipa_sra_summarize_function): Likewise.
4529         * params.opt: Rename ipcp-unit-growth to
4530         ipa-cp-unit-growth.  Add Optimization for various
4531         IPA-related parameters.
4532
4533 2020-01-09  Richard Biener  <rguenther@suse.de>
4534
4535         PR middle-end/93054
4536         * gimplify.c (gimplify_expr): Deal with NOP definitions.
4537
4538 2020-01-09  Richard Biener  <rguenther@suse.de>
4539
4540         PR tree-optimization/93040
4541         * gimple-ssa-store-merging.c (find_bswap_or_nop): Raise search limit.
4542
4543 2020-01-09  Georg-Johann Lay  <avr@gjlay.de>
4544
4545         * common/config/avr/avr-common.c (avr_option_optimization_table)
4546         [OPT_LEVELS_1_PLUS]: Set -fsplit-wide-types-early.
4547
4548 2020-01-09  Martin Liska  <mliska@suse.cz>
4549
4550         * cgraphclones.c (symbol_table::materialize_all_clones):
4551         Use cgraph_node::dump_name.
4552
4553 2020-01-09  Jakub Jelinek  <jakub@redhat.com>
4554
4555         PR inline-asm/93202
4556         * config/riscv/riscv.c (riscv_print_operand_reloc): Use
4557         output_operand_lossage instead of gcc_unreachable.
4558         * doc/md.texi (riscv f constraint): Fix typo.
4559
4560         PR target/93141
4561         * config/i386/i386.md (subv<mode>4): Use SWIDWI iterator instead of
4562         SWI.  Use <general_hilo_operand> instead of <general_operand>.  Use
4563         CONST_SCALAR_INT_P instead of CONST_INT_P.
4564         (*subv<mode>4_1): Rename to ...
4565         (subv<mode>4_1): ... this.
4566         (*subv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
4567         define_insn_and_split patterns.
4568         (*subv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
4569         patterns.
4570
4571 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
4572
4573         * vec.c (class selftest::count_dtor): New class.
4574         (selftest::test_auto_delete_vec): New test.
4575         (selftest::vec_c_tests): Call it.
4576         * vec.h (class auto_delete_vec): New class template.
4577         (auto_delete_vec<T>::~auto_delete_vec): New dtor.
4578
4579 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
4580
4581         * sbitmap.h (auto_sbitmap): Add operator const_sbitmap.
4582
4583 2020-01-08  Jim Wilson  <jimw@sifive.com>
4584
4585         * config/riscv/riscv.c (riscv_legitimize_tls_address): Ifdef out
4586         use of TLS_MODEL_LOCAL_EXEC when not pic.
4587
4588 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
4589
4590         * hash-map-tests.c (selftest::test_map_of_strings_to_int): Fix
4591         memory leak.
4592
4593 2020-01-08  Jakub Jelinek  <jakub@redhat.com>
4594
4595         PR target/93187
4596         * config/i386/i386.md (*stack_protect_set_2_<mode> peephole2,
4597         *stack_protect_set_3 peephole2): Also check that the second
4598         insns source is general_operand.
4599
4600         PR target/93174
4601         * config/i386/i386.md (addcarry<mode>_0): Use nonimmediate_operand
4602         predicate for output operand instead of register_operand.
4603         (addcarry<mode>, addcarry<mode>_1): Likewise.  Add alternative with
4604         memory destination and non-memory operands[2].
4605
4606 2020-01-08  Martin Liska  <mliska@suse.cz>
4607
4608         * cgraph.c (cgraph_node::dump): Use ::dump_name or
4609         ::dump_asm_name instead of (::name or ::asm_name).
4610         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
4611         * cgraphunit.c (walk_polymorphic_call_targets): Likewise.
4612         (analyze_functions): Likewise.
4613         (expand_all_functions): Likewise.
4614         * ipa-cp.c (ipcp_cloning_candidate_p): Likewise.
4615         (propagate_bits_across_jump_function): Likewise.
4616         (dump_profile_updates): Likewise.
4617         (ipcp_store_bits_results): Likewise.
4618         (ipcp_store_vr_results): Likewise.
4619         * ipa-devirt.c (dump_targets): Likewise.
4620         * ipa-fnsummary.c (analyze_function_body): Likewise.
4621         * ipa-hsa.c (check_warn_node_versionable): Likewise.
4622         (process_hsa_functions): Likewise.
4623         * ipa-icf.c (sem_item_optimizer::merge_classes): Likewise.
4624         (set_alias_uids): Likewise.
4625         * ipa-inline-transform.c (save_inline_function_body): Likewise.
4626         * ipa-inline.c (recursive_inlining): Likewise.
4627         (inline_to_all_callers_1): Likewise.
4628         (ipa_inline): Likewise.
4629         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
4630         (ipa_propagate_frequency): Likewise.
4631         * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
4632         (remove_described_reference): Likewise.
4633         * ipa-pure-const.c (worse_state): Likewise.
4634         (check_retval_uses): Likewise.
4635         (analyze_function): Likewise.
4636         (propagate_pure_const): Likewise.
4637         (propagate_nothrow): Likewise.
4638         (dump_malloc_lattice): Likewise.
4639         (propagate_malloc): Likewise.
4640         (pass_local_pure_const::execute): Likewise.
4641         * ipa-visibility.c (optimize_weakref): Likewise.
4642         (function_and_variable_visibility): Likewise.
4643         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
4644         (ipa_discover_variable_flags): Likewise.
4645         * lto-streamer-out.c (output_function): Likewise.
4646         (output_constructor): Likewise.
4647         * tree-inline.c (copy_bb): Likewise.
4648         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4649         * varpool.c (symbol_table::remove_unreferenced_decls): Likewise.
4650
4651 2020-01-08  Richard Biener  <rguenther@suse.de>
4652
4653         PR middle-end/93199
4654         * tree-eh.c (sink_clobbers): Update virtual operands for
4655         the first and last stmt only.  Add a dry-run capability.
4656         (pass_lower_eh_dispatch::execute): Perform clobber sinking
4657         after CFG manipulations and in RPO order to catch all
4658         secondary opportunities reliably.
4659
4660 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
4661
4662         PR target/93182
4663         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
4664
4665 2019-01-08  Richard Biener  <rguenther@suse.de>
4666
4667         PR middle-end/93199
4668         * gimple-fold.c (rewrite_to_defined_overflow): Mark stmt modified.
4669         * tree-ssa-loop-im.c (move_computations_worker): Properly adjust
4670         virtual operand, also updating SSA use.
4671         * gimple-loop-interchange.cc (loop_cand::undo_simple_reduction):
4672         Update stmt after resetting virtual operand.
4673         (tree_loop_interchange::move_code_to_inner_loop): Likewise.
4674         * gimple-iterator.c (gsi_remove): When not removing the stmt
4675         permanently do not delink immediate uses or mark the stmt modified.
4676
4677 2020-01-08  Martin Liska  <mliska@suse.cz>
4678
4679         * ipa-fnsummary.c (dump_ipa_call_summary): Use symtab_node::dump_name.
4680         (ipa_call_context::estimate_size_and_time): Likewise.
4681         (inline_analyze_function): Likewise.
4682
4683 2020-01-08  Martin Liska  <mliska@suse.cz>
4684
4685         * cgraph.c (cgraph_node::dump): Use systematically
4686         dump_asm_name.
4687
4688 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
4689
4690         Add -nodevicespecs option for avr.
4691
4692         PR target/93182
4693         * config/avr/avr.opt (-nodevicespecs): New driver option.
4694         * config/avr/driver-avr.c (avr_devicespecs_file): Only issue
4695         "-specs=device-specs/..." if that option is not set.
4696         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
4697
4698 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
4699
4700         Implement 64-bit double functions for avr.
4701
4702         PR target/92055
4703         * config.gcc (tm_defines) [target=avr]: Support --with-libf7,
4704         --with-double-comparison.
4705         * doc/install.texi: Document them.
4706         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
4707         <WITH_LIBF7_LIBGCC, WITH_LIBF7_MATH, WITH_LIBF7_MATH_SYMBOLS>
4708         <WITH_DOUBLE_COMPARISON>: New built-in defines.
4709         * doc/invoke.texi (AVR Built-in Macros): Document them.
4710         * config/avr/avr-protos.h (avr_float_lib_compare_returns_bool): New.
4711         * config/avr/avr.c (avr_float_lib_compare_returns_bool): New function.
4712         * config/avr/avr.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): New macro.
4713
4714 2020-01-08  Richard Earnshaw  <rearnsha@arm.com>
4715
4716         PR target/93188
4717         * config/arm/t-multilib (MULTILIB_MATCHES): Add rules to match
4718         armv7-a{+mp,+sec,+mp+sec} to appropriate armv7 multilib variants
4719         when only building rm-profile multilibs.
4720
4721 2020-01-08  Feng Xue  <fxue@os.amperecomputing.com>
4722
4723         PR ipa/93084
4724         * ipa-cp.c (self_recursively_generated_p): Find matched aggregate
4725         lattice for a value to check.
4726         (propagate_vals_across_arith_jfunc): Add an assertion to ensure
4727         finite propagation in self-recursive scc.
4728
4729 2020-01-08  Luo Xiong Hu  <luoxhu@linux.ibm.com>
4730
4731         * ipa-inline.c (caller_growth_limits): Restore the AND.
4732
4733 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
4734
4735         * config/gcn/gcn-valu.md (VEC_1REG_INT_ALT): Delete iterator.
4736         (VEC_ALLREG_ALT): New iterator.
4737         (VEC_ALLREG_INT_MODE): New iterator.
4738         (VCMP_MODE): New iterator.
4739         (VCMP_MODE_INT): New iterator.
4740         (vec_cmpu<mode>di): Use VCMP_MODE_INT.
4741         (vec_cmp<u>v64qidi): New define_expand.
4742         (vec_cmp<mode>di_exec): Use VCMP_MODE.
4743         (vec_cmpu<mode>di_exec): New define_expand.
4744         (vec_cmp<u>v64qidi_exec): New define_expand.
4745         (vec_cmp<mode>di_dup): Use VCMP_MODE.
4746         (vec_cmp<mode>di_dup_exec): Use VCMP_MODE.
4747         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>): Rename ...
4748         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): ... to this.
4749         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>_exec): Rename ...
4750         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): ... to this.
4751         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>): Rename ...
4752         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): ... to this.
4753         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>_exec): Rename ...
4754         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): ... to
4755         this.
4756         * config/gcn/gcn.c (print_operand): Fix 8 and 16 bit suffixes.
4757         * config/gcn/gcn.md (expander): Add sign_extend and zero_extend.
4758
4759 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
4760
4761         * config/gcn/constraints.md (DA): Update description and match.
4762         (DB): Likewise.
4763         (Db): New constraint.
4764         * config/gcn/gcn-protos.h (gcn_inline_constant64_p): Add second
4765         parameter.
4766         * config/gcn/gcn.c (gcn_inline_constant64_p): Add 'mixed' parameter.
4767         Implement 'Db' mixed immediate type.
4768         * config/gcn/gcn-valu.md (addcv64si3<exec_vcc>): Rework constraints.
4769         (addcv64si3_dup<exec_vcc>): Delete.
4770         (subcv64si3<exec_vcc>): Rework constraints.
4771         (addv64di3): Rework constraints.
4772         (addv64di3_exec): Rework constraints.
4773         (subv64di3): Rework constraints.
4774         (addv64di3_dup): Delete.
4775         (addv64di3_dup_exec): Delete.
4776         (addv64di3_zext): Rework constraints.
4777         (addv64di3_zext_exec): Rework constraints.
4778         (addv64di3_zext_dup): Rework constraints.
4779         (addv64di3_zext_dup_exec): Rework constraints.
4780         (addv64di3_zext_dup2): Rework constraints.
4781         (addv64di3_zext_dup2_exec): Rework constraints.
4782         (addv64di3_sext_dup2): Rework constraints.
4783         (addv64di3_sext_dup2_exec): Rework constraints.
4784
4785 2020-01-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4786
4787         * doc/sourcebuild.texi (arm_little_endian, arm_nothumb): Documented
4788         existing target checks.
4789
4790 2020-01-07  Richard Biener  <rguenther@suse.de>
4791
4792         * doc/install.texi: Bump minimal supported MPC version.
4793
4794 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
4795
4796         * langhooks-def.h (lhd_simulate_enum_decl): Declare.
4797         (LANG_HOOKS_SIMULATE_ENUM_DECL): Use it.
4798         * langhooks.c: Include stor-layout.h.
4799         (lhd_simulate_enum_decl): New function.
4800         * config/aarch64/aarch64-sve-builtins.cc (init_builtins): Call
4801         handle_arm_sve_h for the LTO frontend.
4802         (register_vector_type): Cope with null returns from pushdecl.
4803
4804 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
4805
4806         * config/aarch64/aarch64-protos.h (aarch64_sve::svbool_type_p)
4807         (aarch64_sve::nvectors_if_data_type): Replace with...
4808         (aarch64_sve::builtin_type_p): ...this.
4809         * config/aarch64/aarch64-sve-builtins.cc: Include attribs.h.
4810         (find_vector_type): Delete.
4811         (add_sve_type_attribute): New function.
4812         (lookup_sve_type_attribute): Likewise.
4813         (register_builtin_types): Add an "SVE type" attribute to each type.
4814         (register_tuple_type): Likewise.
4815         (svbool_type_p, nvectors_if_data_type): Delete.
4816         (mangle_builtin_type): Use lookup_sve_type_attribute.
4817         (builtin_type_p): Likewise.  Add an overload that returns the
4818         number of constituent vector and predicate registers.
4819         * config/aarch64/aarch64.c (aarch64_sve_argument_p): Delete.
4820         (aarch64_returns_value_in_sve_regs_p): Use aarch64_sve::builtin_type_p
4821         instead of aarch64_sve_argument_p.
4822         (aarch64_takes_arguments_in_sve_regs_p): Likewise.
4823         (aarch64_pass_by_reference): Likewise.
4824         (aarch64_function_value_1): Likewise.
4825         (aarch64_return_in_memory): Likewise.
4826         (aarch64_layout_arg): Likewise.
4827
4828 2020-01-07  Jakub Jelinek  <jakub@redhat.com>
4829
4830         PR tree-optimization/93156
4831         * tree-ssa-ccp.c (bit_value_binop): For x * x note that the second
4832         least significant bit is always clear.
4833
4834         PR tree-optimization/93118
4835         * match.pd ((x >> c) << c -> x & (-1<<c)): Add nop_convert?.  Add new
4836         simplifier with two intermediate conversions.
4837
4838 2020-01-07  Martin Liska  <mliska@suse.cz>
4839
4840         * params.opt: Add Optimization for various parameters.
4841
4842 2020-01-07  Martin Liska  <mliska@suse.cz>
4843
4844         PR ipa/83411
4845         * doc/extend.texi: Explain cloning for target_clone
4846         attribute.
4847
4848 2020-01-07  Martin Liska  <mliska@suse.cz>
4849
4850         PR tree-optimization/92860
4851         * common.opt: Make in Optimization option
4852         as it is affected by -O0, which is an Optimization
4853         option.
4854         * tree-inline.c (tree_inlinable_function_p):
4855         Use opt_for_fn for warn_inline.
4856         (expand_call_inline): Likewise.
4857
4858 2020-01-07  Martin Liska  <mliska@suse.cz>
4859
4860         PR tree-optimization/92860
4861         * common.opt: Make flag_ree as optimization
4862         attribute.
4863
4864 2020-01-07  Martin Liska  <mliska@suse.cz>
4865
4866         PR optimization/92860
4867         * params.opt: Mark param_min_crossjump_insns with Optimization
4868         keyword.
4869
4870 2020-01-07  Luo Xiong Hu  <luoxhu@linux.ibm.com>
4871
4872         * ipa-inline-analysis.c (estimate_growth): Fix typo.
4873         * ipa-inline.c (caller_growth_limits): Use OR instead of AND.
4874
4875 2020-01-06  Michael Meissner  <meissner@linux.ibm.com>
4876
4877         * config/rs6000/rs6000.c (hard_reg_and_mode_to_addr_mask): New
4878         helper function to return the valid addressing formats for a given
4879         hard register and mode.
4880         (rs6000_adjust_vec_address): Call hard_reg_and_mode_to_addr_mask.
4881
4882         * config/rs6000/constraints.md (Q constraint): Update
4883         documentation.
4884         * doc/md.texi (RS/6000 constraints): Update 'Q' cosntraint
4885         documentation.
4886
4887         * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
4888         Use 'Q' for doing vector extract from memory.
4889         (vsx_extract_v4sf_var): Use 'Q' for doing vector extract from
4890         memory.
4891         (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Use 'Q' for
4892         doing vector extract from memory.
4893         (vsx_extract_<mode>_<VS_scalar>mode_var): Use 'Q' for doing vector
4894         extract from memory.
4895
4896         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add support
4897         for the offset being 34-bits when -mcpu=future is used.
4898
4899 2020-01-06  John David Anglin  <danglin@gcc.gnu.org>
4900
4901         * config/pa/pa.md: Revert change to use ordered_comparison_operator
4902         instead of cmpib_comparison_operator in cmpib patterns.
4903         * config/pa/predicates.md (cmpib_comparison_operator): Revert removal
4904         of cmpib_comparison_operator.  Revise comment.
4905
4906 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4907
4908         * tree-vect-slp.c (vect_build_slp_tree_1): Require all shifts
4909         in an IFN_DIV_POW2 node to be equal.
4910
4911 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4912
4913         * tree-vect-stmts.c (vect_check_load_store_mask): Rename to...
4914         (vect_check_scalar_mask): ...this.
4915         (vectorizable_store, vectorizable_load): Update call accordingly.
4916         (vectorizable_call): Use vect_check_scalar_mask to check the mask
4917         argument in calls to conditional internal functions.
4918
4919 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
4920
4921         * config/gcn/gcn-valu.md (subv64di3): Use separate alternatives for
4922         '0' matching inputs.
4923         (subv64di3_exec): Likewise.
4924
4925 2020-01-06  Bryan Stenson  <bryan@siliconvortex.com>
4926
4927         * config/mips/mips.c (vr4130_align_insns): Fix typo.
4928         * doc/md.texi (movstr): Likewise.
4929
4930 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
4931
4932         * config/gcn/gcn-valu.md (vec_extract<mode><scalar_mode>): Add early
4933         clobber.
4934
4935 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4936
4937         * config/aarch64/t-aarch64 ($(srcdir)/config/aarch64/aarch64-tune.md):
4938         Depend on...
4939         (s-aarch64-tune-md): ...this new stamp file.  Pipe the new contents
4940         to a temporary file and use move-if-change to update the real
4941         file where necessary.
4942
4943 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4944
4945         * config/aarch64/aarch64-sve.md (@aarch64_sel_dup<mode>): Use Upl
4946         rather than Upa for CPY /M.
4947
4948 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
4949
4950         * config/gcn/gcn.c (gcn_inline_constant_p): Allow 64 as an inline
4951         immediate.
4952
4953 2020-01-06  Martin Liska  <mliska@suse.cz>
4954
4955     PR tree-optimization/92860
4956     * params.opt: Mark param_max_combine_insns with Optimization
4957     keyword.
4958
4959 2020-01-05  Jakub Jelinek  <jakub@redhat.com>
4960
4961         PR target/93141
4962         * config/i386/i386.md (SWIDWI): New mode iterator.
4963         (DWI, dwi): Add TImode variants.
4964         (addv<mode>4): Use SWIDWI iterator instead of SWI.  Use
4965         <general_hilo_operand> instead of <general_operand>.  Use
4966         CONST_SCALAR_INT_P instead of CONST_INT_P.
4967         (*addv<mode>4_1): Rename to ...
4968         (addv<mode>4_1): ... this.
4969         (QWI): New mode attribute.
4970         (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
4971         define_insn_and_split patterns.
4972         (*addv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
4973         patterns.
4974         (uaddv<mode>4): Use SWIDWI iterator instead of SWI.  Use
4975         <general_hilo_operand> instead of <general_operand>.
4976         (*addcarry<mode>_1): New define_insn.
4977         (*add<dwi>3_doubleword_cc_overflow_1): New define_insn_and_split.
4978
4979 2020-01-03  Konstantin Kharlamov  <Hi-Angel@yandex.ru>
4980
4981         * gdbinit.in (pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, pdd, pbs, pbm):
4982         Use "call" instead of "set".
4983
4984 2020-01-03  Martin Jambor  <mjambor@suse.cz>
4985
4986         PR ipa/92917
4987         * ipa-cp.c (print_all_lattices): Skip functions without info.
4988
4989 2020-01-03  Jakub Jelinek  <jakub@redhat.com>
4990
4991         PR target/93089
4992         * config/i386/i386-options.c (ix86_simd_clone_adjust): If
4993         TARGET_PREFER_AVX128, use prefer-vector-width=256 for 'c' and 'd'
4994         simd clones.  If TARGET_PREFER_AVX256, use prefer-vector-width=512
4995         for 'e' simd clones.
4996
4997         PR target/93089
4998         * config/i386/i386.opt (x_prefer_vector_width_type): Remove TargetSave
4999         entry.
5000         (mprefer-vector-width=): Add Save.
5001         * config/i386/i386-options.c (ix86_target_string): Add PVW argument, print
5002         -mprefer-vector-width= if non-zero.  Fix up -mfpmath= comment.
5003         (ix86_debug_options, ix86_function_specific_print): Adjust
5004         ix86_target_string callers.
5005         (ix86_valid_target_attribute_inner_p): Handle prefer-vector-width=.
5006         (ix86_valid_target_attribute_tree): Likewise.
5007         * config/i386/i386-options.h (ix86_target_string): Add PVW argument.
5008         * config/i386/i386-expand.c (ix86_expand_builtin): Adjust
5009         ix86_target_string caller.
5010
5011         PR target/93110
5012         * config/i386/i386.md (abs<mode>2): Use expand_simple_binop instead of
5013         emitting ASHIFTRT, XOR and MINUS by hand.  Use gen_int_mode with QImode
5014         instead of gen_int_shift_amount + convert_modes.
5015
5016         PR rtl-optimization/93088
5017         * loop-iv.c (find_single_def_src): Punt after looking through
5018         128 reg copies for regs with single definitions.  Move definitions
5019         to first uses.
5020
5021 2020-01-02  Dennis Zhang  <dennis.zhang@arm.com>
5022
5023         * config/arm/arm-c.c (arm_cpu_builtins): Define
5024         __ARM_FEATURE_MATMUL_INT8, __ARM_FEATURE_BF16_VECTOR_ARITHMETIC,
5025         __ARM_FEATURE_BF16_SCALAR_ARITHMETIC, and
5026         __ARM_BF16_FORMAT_ALTERNATIVE when enabled.
5027         * config/arm/arm-cpus.in (armv8_6, i8mm, bf16): New features.
5028         * config/arm/arm-tables.opt: Regenerated.
5029         * config/arm/arm.c (arm_option_reconfigure_globals): Initialize
5030         arm_arch_i8mm and arm_arch_bf16 when enabled.
5031         * config/arm/arm.h (TARGET_I8MM): New macro.
5032         (TARGET_BF16_FP, TARGET_BF16_SIMD): Likewise.
5033         * config/arm/t-aprofile: Add matching rules for -march=armv8.6-a.
5034         * config/arm/t-arm-elf (all_v8_archs): Add armv8.6-a.
5035         * config/arm/t-multilib: Add matching rules for -march=armv8.6-a.
5036         (v8_6_a_simd_variants): New.
5037         (v8_*_a_simd_variants): Add i8mm and bf16.
5038         * doc/invoke.texi (armv8.6-a, i8mm, bf16): Document new options.
5039
5040 2020-01-02  Jakub Jelinek  <jakub@redhat.com>
5041
5042         PR ipa/93087
5043         * predict.c (compute_function_frequency): Don't call
5044         warn_function_cold on functions that already have cold attribute.
5045
5046 2020-01-01  John David Anglin  <danglin@gcc.gnu.org>
5047
5048         PR target/67834
5049         * config/pa/pa.c (pa_elf_select_rtx_section): New.  Put references to
5050         COMDAT group function labels in .data.rel.ro.local section.
5051         * config/pa/pa32-linux.h (TARGET_ASM_SELECT_RTX_SECTION): Define.
5052
5053         PR target/93111
5054         * config/pa/pa.md (scc): Use ordered_comparison_operator instead of
5055         comparison_operator in B and S integer comparisons.  Likewise, use
5056         ordered_comparison_operator instead of cmpib_comparison_operator in
5057         cmpib patterns.
5058         * config/pa/predicates.md (cmpib_comparison_operator): Remove.
5059
5060 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
5061
5062         Update copyright years.
5063
5064         * gcc.c (process_command): Update copyright notice dates.
5065         * gcov-dump.c (print_version): Ditto.
5066         * gcov.c (print_version): Ditto.
5067         * gcov-tool.c (print_version): Ditto.
5068         * gengtype.c (create_file): Ditto.
5069         * doc/cpp.texi: Bump @copying's copyright year.
5070         * doc/cppinternals.texi: Ditto.
5071         * doc/gcc.texi: Ditto.
5072         * doc/gccint.texi: Ditto.
5073         * doc/gcov.texi: Ditto.
5074         * doc/install.texi: Ditto.
5075         * doc/invoke.texi: Ditto.
5076
5077 2020-01-01  Jan Hubicka  <hubicka@ucw.cz>
5078
5079         * ipa.c (walk_polymorphic_call_targets): Fix updating of overall
5080         summary.
5081
5082 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
5083
5084         PR tree-optimization/93098
5085         * match.pd (popcount): For shift amounts, use integer_onep
5086         or wi::to_widest () == cst instead of tree_to_uhwi () == cst
5087         tests.  Make sure that precision is power of two larger than or equal
5088         to 16.  Ensure shift is never negative.  Use HOST_WIDE_INT_UC macro
5089         instead of ULL suffixed constants.  Formatting fixes.
5090 \f
5091 Copyright (C) 2020 Free Software Foundation, Inc.
5092
5093 Copying and distribution of this file, with or without modification,
5094 are permitted in any medium without royalty provided the copyright
5095 notice and this notice are preserved.